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3 years ago

Write an equation in slope intercept form for the line with slope -4 and y intercept 1

Mathematics

1 answer:

aalyn [17]3 years ago

8 0

Answer:

y = -4x + 1

Step-by-step explanation:

you said, slope of -4, therefore it's -4x and you also said y intercept of 1, therefore it's a positive 1 : +1

combine them together: y = -4x +1

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India can paint 3 1/5 walls in one day. How many walls can she paint in 5 1/2 days?

sladkih [1.3K]

Change the mixed numbers into fractions.

$3 \frac{1}{5}$
$3 * 5 = 15$
$15 + 1 = 16$
$3 \frac{1}{5} = \frac{16}{5}$

$5 \frac{1}{2}$
$5 * 2 = 10$
$10 + 1 = 11$
$5 \frac{1}{2} = \frac{11}{2}$

Multiply these fractions together:

$\frac{16}{5} * \frac{11}{2} = \frac{176}{10} 
$

Simplify the fraction.

$\frac{176}{10} / \frac{2}{2} = \frac{88}{5}$

$88 / 5 = 17 R3 = 17 \frac{3}{5}$

India can paint 17 and 3/5 walls in 5 and a half days.

7 0

3 years ago

С 3х +6 2х + 4 D B E О 24 32 Оооо 34

postnew [5]

Answer:

Step-by-step explanation:

Since AD is a straight line the sum of ABC and DBC would be equal to 180°

2x + 4 + 3x + 6 = 180 add like terms

5x + 10 = 180 subtract 10 from both sides

5x = 170 divide both sides by 5

x = 34

7 0

3 years ago

Solve for y. y – (-5) = -7

Mice21 [21]

y-(-5)=-7

y+5=7

y+5-5=7-5

y=2

5 0

3 years ago

Read 2 more answers

Pls help will give brainly :))

nexus9112 [7]

Answer:

it's 2500 sq ft

Step-by-step explanation:

5 0

3 years ago

The roots of a quadratic equation are -7 and 1. Write an equation that could represent this function. Give your answer in standa

Alchen [17]

Answer:

X^2+6X-7=0

Step-by-step explanation:

To identify the quadratic equation use the following method

(X-a)(X-b)=0

Where

a=-7

b=1

(X+7)(X-1)=0

X^2+7X-X-7=0

X^2+6X-7=0

4 0

3 years ago