8x − 7y = –5
–x + 4y = –15

Answers

Answer 1

Answer:

Answer is invalid. You cannot solve it.

Step-by-step explanation:

Answer 2

Answer:

y=4.8 X=34.2

Step-by-step explanation:


Related Questions

What is an equivalent expression for 6x6x3x3x3x3

Answers

6^2*3^4. Hope that helped!! Btw they’re exponents

SOMEONEEE PLZ HELP 20 POINTS

JUST NEED HELP IN THE LAST4

Answers

Answer:

where is your questions

help me pleaseeeeeeee

Answers

Answer:

59 im pretty sure

Step-by-step explanation:

60 i think so this the answer

If x=19 and y=8, find y when x=38

Answers

Answer:

I think it would be 27

Step-by-step explanation:

because 8 is 11 less than 19 and you would subtract 11 from 38

Divide.

(−1/5)÷(−4/5)

What is the quotient?

Enter your answer as a simplified fraction in the box.

Answers

5 : 1/6 = 301 = 30. Is the answer

The quotient from the expression (−1/5) ÷ (−4/5), in the simplified fraction is 1/4.

We have,

To calculate the quotient of the expression (−1/5) ÷ (−4/5), you can follow these steps:

- Invert the second fraction (divisor): (-4/5) becomes (-5/4).

- Multiply the first fraction (dividend) by the inverted second fraction: (-1/5) * (-5/4).

- Simplify the result if possible.

(-1/5) * (-5/4)

= (1 * 5) / (5 * 4)

= 5 / 20

Both the numerator and denominator have a common factor of 5, which can be cancelled out:

5 / 20 = 1 / 4

Thus,

The quotient in the simplified fraction is 1/4.

Learn more about expressions here:

https://brainly.com/question/3118662

#SPJ3

Find the intersection point of the straight line equations y = 2x-13 and y = -5x+1​

Answers

Answer:

(2,-9)

Step-by-step explanation:

Equation Form:

x = 2  

y = − 9

A large national park has an area of 91,417 acres. What is its area in hectares

Answers

Answer:

36995.1474

Step-by-step explanation:

multiply the area value by 2.471

Perform the indicated operation. Reduce to lowest terms if possible.
2 1/2 x 2 1/3

Answers

Answer:

Step-by-step explanation:

Convert mixed fraction to improper fraction.

[tex]2\dfrac{1}{2}*2\dfrac{1}{3}=\dfrac{5}{2}*\dfrac{7}{3}=\dfrac{5*7}{2*3}\\\\=\dfrac{35}{6}=5\dfrac{5}{6}[/tex]

write 1 409 in words

Answers

Answer:

One thousand four hundred nine

Step-by-step explanation:

need help with this please

Answers

Answer: plug 32 in for m

Step-by-step explanation:

After training for and running a marathon, an athlete wants to reduce her daily run
by half each day. The marathon is about 26 mi. How many days will it take after the
marathon before she runs less than a mile a day? Show your work.

Answers

Answer:

6 days

Step-by-step explanation:

This question becomes much easier when written out per day (shown below). The question tells us that she is reducing her run by half every day, so all we need to is divide the previous day by 2 to get the current day. She starts out with 26 miles so this is our day 1 value.

Day 1 = 26 miles

Day 2 = 13 miles (26÷2=13)

Day 3 = 6.5 miles (13÷2=6.5)

Day 4 = 3.25 miles (6.5÷2=3.25)

Day 5 = 1.625 miles (3.25÷2=1.625)

Day 6 = 0.8125 miles (1.625÷2=0.8125)

We can see that by day 6, her total running amount is less that 1 mile, so the final answer is 6 days.

mowed 3 yards for $35.00

Answers

Answer:

AYO HE LOOKIN SPIFFY

Step-by-step explanation:

x/3 - 13= 9
Plz help its very confusing

Answers

Answer:

x  = 66

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Answer:

[tex] \frac{x}{3} - 13 = 9 \\ \\ \frac{x}{3} = 9 + 13 \\ \\ \frac{x}{3} = 22 \\ x = 22 \times 3 \\ x = 66. answer. [/tex]

Sorry forgot the to put the question in.

Answers

Answer:

-2/3 rational i/2 irrational 0.7 rational √5 irrational √ 16 irrational 0 whole number 3.89 rational -4 integer

Step--by-step explanation:√ 5 rational or irrational

Natural Number: -2/3, 0.7,√16, 0, -4

Whole Number: 0.7,√16 0

Integers: -2/3, 0.7,√16,0, -4

Rational Number: -2/3, 0.7, √16,0, -4

Irrational Number: π/2, √5,

Eggs cost $5.40 per doven how many is twenty five eggs cost

Answers

Answer:

135.000

Step-by-step explanation:

5.40 x 25 = 135.000

Answer:

135.000

Step-by-step explanation:

5.40×25= 135.000

First four terms
f(n)=n^3-n^2+1

Answers

Answer:

The function of this equation is: [tex]F(n)=\frac{1}{4}n^4-\frac{1}{3}n^3+n+C[/tex]

Step-by-step explanation:

Answer:

1, 5, 19, 49

Step-by-step explanation:

To obtain the first 4 terms substitute n = 1, 2, 3, 4 into f(n)

f(1) = 1³ - 1² + 1 = 1 - 1 + 1 = 1

f(2) = 2³ - 2² + 1 = 8 - 4 + 1 = 4 + 1 = 5

f(3) = 3³ - 3² + 1 = 27 - 9 + 1 = 18 + 1 = 19

f(4) = 4³ - 4² + 1 = 64 - 16 + 1 = 48 + 1 = 49

The first 4 terms are 1, 5, 19, 49

A women buys a coat through the mail for $250 plus 9% sale tax. If another 10% is added onto this total for shipping and handling, what is the total cost of the coat ?

Answers

Answer:

Find 9% of 250 by turning 9% into a decimal.

.09 x 250 gives you 22.50

add 22.50 to 250

now you have 272.50

now find 10% of 272.50 by converting 10% into a decimal.

.10 x 272.50 gives you 27.25

Add that to 272.50 and you total cost is

$299.75

5. Write an equation in point-slope form for the line through the given point with the given slope.

Answers

Answer:

C. y+3= -1/4(x-8)

Step-by-step explanation:

The slope-intercept form:

m - slope

b - y-intercept

We have the slope  

and point (8, -3). Substitute:

       add 2 to both sides

Answer:

The point-slope form:

Substitute:

ANSWER: y+3= -1/4(x-8)

Determine which of the following is a geometric sequence.
A. 2, 5, 8, 11
B. 2, -6, -18, -24
C. 3, -6, 12, -24
D. 3, 6, 18, 36

Answers

Step-by-step explanation:

A is in geometric sequence as 3 is added in the number,

2 + 3 = 5, 5 + 3 = 8, 8 + 3 = 11

hope this answer helps you dear...take care and may u have a great day ahead!

Calculate the unit rate for each. Don’t forget the units!

a) Andre DeGrasse runs 100m in 9.91 seconds.

b) Paint costs $48 for 3.8L.

c) Ethan earned $120.25 for working a 6.5h shift.

Answers

Answer:

letter c. po sagot diyan po

Answer:

a) Andre DeGrasse runs 100m in 9.91 seconds.

100 m / 9.91 s = 10.09 m per second

b) Paint costs $48 for 3.8L.

$48 / 3.8 L = $12.63 per L

c) Ethan earned $120.25 for working a 6.5h shift.

$120.25 / 6,5 h = $18.5 per hour

Rhythm Time sells music online. Last year, its customers downloaded a total of 697,900 songs. This year, they downloaded 467,593 songs. What is the percent of decrease in annual downloads?

Answers

Answer:

-32.9985652798%

Step-by-step explanation:

how many times does 15 go into 745.3?

Answers

Answer:

49 times

Step-by-step explanation:

You can divide 745.3 by 15 to see that 49 fifteens will fit in 745.3

Answer:

49 times

Step-by-step explanation:

745.3 / 15 = 15.68666...

Which translates to 15 times.

PLEASE MARK AS BRAINLIEST!!!!!

75 muffins in 5 batches
Unit Rate

Answers

15 is the unit rate because 75 divided by 5 is 15.

Someone help its multiple choice im so confused

Answers

A, he had just eaten
B, he was shot in the back
E, the arrow went under his left armpit

This all is correct considering the paragraph i just read!

I wish you luck on the rest of your assessment!

mark this as brainliest if i helped at all!! :)

Jonathan has 1 3/14 hours to practice guitar. If he spends 1/8 hours on each song, how many songs can he practice

Answers

Answer:

Step-by-step explanation:

1 3/14 divided by 1/8

17/14x8

17x4/7

68/7

9 5/7

how is five hundred two thousand,seven and four hundredths written in expanded nataion?

Answers

Answer:

502,007.004

Step-by-step explanation:

because I smart middle schooler

Answer:

502,007.004

Step-by-step explanation:

because I smart middle schooler

Suppose that the value of a stock varies each day from $12.82 to $33.17 with
a uniform distribution.
Find the third quartile; 75% of all days the stock is below what value?

Answers

Answer:

$28.08

Step-by-step explanation:

$33.17 - $12.82 = $20.35

75% of $20.35 = $15.26

$15.26 + $12.82 = $28.08

What is the value of x if...
9x - 4 - 4x = 8 + 3x

Answers

Hello!

Answer:

x=6

Step-by-step explanation:

Hope this helps!

What time is 13 hours past 1:00 am

Answers

Answer:

2 pm

Step-by-step explanation:

Answer:

I'm guessing it's 1:00pm? Or 2, not really sure, sorry

A triangle has a base of 16 inches and a height of 1/8 inches. What is its area?

Answers

Answer:

1 in²

Step-by-step explanation:

The area of the triangle calculated using the area formula is 1 in²

Given the Parameters :

Base of triangle = 16 inches

Height of triangle = 1/8 inches

Area of a triangle can be obtained using the relation :

Area = 1/2 × base × height

Substituting the Parameters into the equation :

Area of triangle = 1/2 × 16 × 1/8 = 1 in²

Therefore, the area of the triangle is 1 in²

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