Answer:39 years ago
Step-by-step explanation:The difference between his age and his sister's is 4.So when he was 8 she 4.So you do 47-8 which is 39.
i need help. i am so confused
Answer:
a/2=3
We simplify the equation to the form, which is simple to understand
a/2=3
We move all terms containing a to the left and all other terms to the right.
+ 0.5a=+3
We simplify left and right side of the equation.
+ 0.5a=+3
We divide both sides of the equation by 0.5 to get a.
a=6
An airplane is flying from New York City to Los Angeles. The distance it travels in miles, d is 0.15 per second of time, t.
this is not part of the question. > if you give me the answer or solve this whatever You will get 100 points!!
Here the function given by
f(d)=0.15tNow
f(1):-
[tex]\\ \sf\longmapsto f(1)=0.15(1)=0.15m[/tex]
[tex]\\ \sf\longmapsto f(2)=0.15(2)=0.3m[/tex]
write an equation of the line that passes through the pair of points (5,-3), (2,5)
Answer:
y = [tex]-\frac{8}{3} x +5\frac{16}{3}[/tex]
Step-by-step explanation:
You use rise over run:
(-3 - 5)/(5 - 2) = 8/3
then plug in one of the coordinates to fine the y-intercept
An NHL hockey player has 59 goals so far in a season. What are the possible numbers of additional goals, g , the player can score to match or break the NHL record of 92 goals in a season? Write and solve an inequality to solve the situation described above.
Evaluate 2+x-2x7 for x=7
A recipe called for the ratio of sugar to flour to be 8 : 7.If you used 48 ounce of sugar, how many ounces of flour would you need to use?
Answer:
42 ounces of flour
Step-by-step explanation:
8 - 48
7 - x
When you cross multiply, you get:
8x = 7*48
8x = 336
x = 336/8
x = 42
Feel free to mark this as brainliest! :D
PLZZZZZZZZZ HELPPPPPPPPPPPPP
10) in a school there are 1500 students. if 60% are boys, find the numbers of boys.
Answer:
there are 900 boys in the school
15/100*1500
Xander goes to the movies with his family. Each family member buys a ticket and two boxes of popcorn. If there are five member of his family, let t represent the
cost of a ticket and p represent the cost of a box of popcorn. Write two different expressions that represent the total amount his family spent. Explain how each expressions describes the situation in a different way.
Answer:
10
Step-by-step explanation:
there are five members 2x5 = 10
Have you ever wished to be a different gender than yourself?
Why or why not?
Answer:
No
Step-by-step explanation:
Because I feel whatever gender you are born ,you where born that gender for a reason .
Answer:
Yes.
Step-by-step explanation:
I have always wanted to be a boy, my personality isn't fit for a girl, I act like a boy, I look like a boy on the outside and feel like one on the inside, plus I wouldn't have to be through as much bullying and pain in my life, maybe I would have had a better life then :-(
A container has 2 ½ cups of juice in it.
Ping drinks ⅜ cup of juice.
Preston drinks 7/10 cup of juice.
How much juice is in the container now?
Answer: 57/40 or 1 17/40
Step-by-step explanation: 2 1/2 - 3/8 = 17/8 or 2 1/8
17/8 or 2 1/8 - 7/10 = 57/40 or 1 17/40
WILL MARK BRAINLIEST!
simplify −4x² y+5x+5−3x+4x² y−8
Answer
2x-3
Step-by-step explanation:
given:
−4x² y+5x+5−3x+4x² y−8
=−4x² y+4x² y+5x-3x+5-8
=2x-3
hope it helps!!
Let's simplify step-by-step.
(−4x2)(y)+5x+5−3x+4x2y−8
=−4x2y+5x+5+−3x+4x2y+−8
Combine Like Terms:
=−4x2y+5x+5+−3x+4x2y+−8
=(−4x2y+4x2y)+(5x+−3x)+(5+−8)
=2x+−3
=2x-3
Therefore the answer is 2x-3- 150 and -50 which one is bigger in inequality?
please help! I will give you brainliest.
Answer:
-150
Cause right now it's negative I think
Yes
In class today, we had 98 notebooks and 70 children.If each child gets two notebooks, how many more notebooks will we need?
Answer:
42
Step-by-step explanation:
times 70 by two to get how many notebooks needed total.
70*2=140
subtract how many notebooks you already had.
140-98=42
The no. of notebooks we need more will be equal to 42 notebooks.
It is given that no. of notebooks available is 98 and there are 70 children in class.
We have to find no. of notebooks needed more if each child gets two notebooks.
What is algebra ?
Algebra is the branch of mathematics that deals with various symbols and the arithmetic operations and the symbols are called variables.
As per the question ;
No. of notebooks we had in class = 98 notebooks
And
Total no. of children = 70 children
The no. of notebook each child gets = 2 per child
So ;
70 children will get no. of notebooks ;
= 70 × 2
= 140 notebooks
The no. of notebooks we need will be ;
= 140 - 98
= 42 notebooks
Thus , the no. of notebooks we need will be equal to 42 notebooks.
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Chloe paid $21.18 for a large pizza including tax and delivery fees. She gave the delivery person
$25 and told the delivery person to keep the change. Did she give the delivery person a 20% tip?
Explain.
Answer:
No, she tipped about 18%.
Step-by-step explanation:
How much she tipped:
$25 - $21.18 = $3.82
To find the percentage, you can put this tip over the what she paid for the pizza.
[tex]\frac{3.82}{21.18} =0.18=18%[/tex]%
She only tipped about 18%
Solve the system of equations without graphing. Show your reasoning.
2y=x−4
4x+3y=5
[tex]\displaystyle \begin{cases} 2y=x-4 \\4x+3y=5 \end{cases } \Rightarrow \ominus \left \{ {{x-4=2y} \ | \cdot 4 \atop {4x+3y=5}} \right. \Rightarrow \\\\\\ 4x-16-4x-3y=8y-5 \\\\ -3y-16=8y-5 \\\\ -3y-8y=16-5 \\\\-11y=11 \\\\ y=-1 \ \ ; \ \ x=2y+4=2 \\\\ \rm Answer : \ (2 \ ; \ -1 )[/tex]
Please solve the math problem... I will mark you brainliest
Answer:
the answer is 140
........
Juan graphed a line with a slope of -23
How does Juan count the slope from any point on the graph?
a. From any point on the graph, he counts down 2 then right 3 to end up on the line again.
b. From any point on the graph, he counts up 2 then right 3 to end up on the line again
c. From any point on the graph, he counts down 2 then left 3 to end up on the line again.
d. I don't know.
Answer:
a. From any point on the graph, he counts down 2 then right 3 to end up on the line again.
Step-by-step explanation:
The slope is -2/3.
-2/3 = 2/-3
slope = rise/run
rise/run = -2/3
Count down 2 and right 3.
rise/run = 2/-3
Count up 2 and left 3
Answer: a. From any point on the graph, he counts down 2 then right 3 to end up on the line again.
I need help please been getting all the answers wrong
Answer:Question? :c
Step-by-step explanation:
Answer:
what's the problem?
ma'am/Sir
What is b^2 x a^1 x e^1 ?
Answer:
b²ae
Step-by-step explanation:
anyone please help me
[tex]\\ \sf\longmapsto x^2-4x-5=0[/tex]
Use midterm splitation[tex]\\ \sf\longmapsto x^2-5x+x-5=0[/tex]
[tex]\\ \sf\longmapsto x(x-5)+1(x-5)=0[/tex]
[tex]\\ \sf\longmapsto (x-5)(x+1)=0[/tex]
[tex]\\ \sf\longmapsto x=5\:or\:x=-1[/tex]
Solution is (-1,0) and (5,0)
Graph attached.
Spare way:-
Use quadratic formula .
[tex]\\ \sf\longmapsto x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}[/tex]
[tex]\\ \sf\longmapsto x=\dfrac{-(-4)\pm\sqrt{(-4)^2-4(1)(-5)}}{2(1)}[/tex]
[tex]\\ \sf\longmapsto x=\dfrac{4\pm \sqrt{16+20}}{2}[/tex]
[tex]\\ \sf\longmapsto x=\dfrac{4\pm 6}{2}[/tex]
[tex]\\ \sf\longmapsto x=\dfrac{10}{2}\:or\:\dfrac{-2}{2}[/tex]
[tex]\\ \sf\longmapsto x=5\:or\:-1[/tex]
[tex]x {}^{2} - 4x - 5 = 0 \\ x {}^{2} + x - 5x - 5 = 0 \\ x(x + 1) - 5(x + 1) = 0 \\ (x + 1)(x - 5) = 0 \\ x + 1 = 0 \\ x - 5 = 0 \\ x = - 1 \\ x = 5[/tex]
The equation has two solutions:x=5, x=-1Graph is in the attachment!!WILL BRAINLIST !!!!!!!!
Step-by-step explanation:
1) 432000000
2) 1050000
3) 82310000000
4) 0.000231
5) 0.00007.
hope this helps you.
Is (2,3), a solution to the system of equation x2 + y2 = 13 and 2x - y=4?
True
False
What is 0.01 in standard form
Answer: 0.01 = 10-2 .
Step-by-step explanation: have a good day!
How do you solve 32÷1440 using long division?
Answer:
720 that i got answer but i´ll explain it soon
Step-by-step explanation:
There are a total of 84 campers attending a summer camp. The ratio of boys to girls is 4 to 3.
How many girls are attending the summer camp?
Enter your answer in the box.
A)
The car accelerates for 10 seconds
B)
The car moved forward at a constant speed for 6 seconds before moving
backwards
The car accelerated for 6 seconds and continued at a constant speed
D)
The car moved forward at a constant speed for 6 seconds and then stopped
moving suddenly
Answer:
C The car accelerated for 6 seconds and continued at a constant speed
what number will get you 21.51
Answer:
10.755
Step-by-step explanation:
10.755+10.755=21.51
Answer:
Step-by-step explanation:
a few examples
21 + 0.51
22 - 0.49
10.75 × 2
4.637^2
43.02 ÷ 2
etc....
Help help help please
Answer:
hey there,
<5=130°because of transversal line
In wrestling you score points by performing certain moves. Escapes, takedowns, and nearfalls are moves you can perform to score points. An escapeis worth 1 point, a takedown is worth 2 points, and a nearfall is worth 3 points. Anahi scored a total of 240 points by completing 100 moves. She had 4 times as many takedowns as escapes. How many escapes, takedowns and nearfalls did she have?
Answer: Im gonna take you down like a sweet muffin.
The number of escapes, takedowns and nearfalls Anahi have is 6, 24 and 70 respectively.
How many escapes, takedowns and nearfalls did she have?escape is worth 1 point,
a takedown is worth 2 points, and
a nearfall is worth 3 points.
escape = x
takedown = y
nearfall = z
x + y + z = 100. (1)
x + 2y + 3z = 240. (2)
y = 4x. (3)
substitute (3) into both equation
x + 4x + z = 100
x + 8x + 3z = 240
5x + z = 100. (4)
9x + 3z = 240. (5)
Multiply (4) by 3
15x + 3z = 300 (6)
9x + 3z = 240. (5)
Subtract (5) from (6) to eliminate z
6x = 60
x = 60/6
x = 6
Substitute into (3)
y = 4x
y = 4(6)
y = 24
Therefore, from (1)
x + y + z = 100.
6 + 24 + z = 100
30 + z = 100
z = 100 - 30
z = 70
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