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4 years ago

What is the value of a?

Mathematics

1 answer:

lilavasa [31]4 years ago

7 0

Answer:

we need the equation

Step-by-step explanation:

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Dory is building a wall around her garden. It has taken 45 minutes and she is 75% done. What is the total time that will take he

Inessa [10]

So it's easier to calculate if you figure out how much time it took her to finish 25% of the wall. Since it took her 45 minutes to do 75%, it took her 15 minutes to do 25%. Then you just multiply.

Therefore, it takes her 60 minutes to finish building her wall.

4 0

3 years ago

MARK AS BRIANLEST IF ANSWER RIGHT

marishachu [46]

Answer:

x= 13

Step-by-step explanation:

−4/9(18x − 36) = −88

we need to solve the equation for x

$\frac{-4}{9}(18x - 36) = -88$

First we remove the fraction -4/9

Multiply by -9/4 on both sides

$\frac{-9}{4}*\frac{-4}{9}(18x - 36) = -88*\frac{-9}{4}$

18x -36 = 198

Now add 36 on both sides

18x = 234

Divide both sides by 18

x = 13

8 0

3 years ago

When renting a car two options listed below are given. You need the car for 3 days. How many miles must you travel in order for

Anastasy [175]

Answer:

it´s b

Step-by-step explanation:

4 0

3 years ago

What is y=2x+3 graphed

sergiy2304 [10]

Answer:

y=2x−3 is in slope intercept form for a linear equation, y=mx+b , where m is the slope and b is the y-intercept. The y-intercept is the point at which x=0 and y=−3 , which is point (0,−3) You can plot this point on your graph. The slope is can be described as riserun , and can be written as 21 .

7 0

3 years ago

HELP i can’t figure this out

Agata [3.3K]

Answer:

m∠B = 66.3°

a = 0.0319

b = 0.0726

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

⇒ m∠A + m∠B + m∠C = 180°

⇒ 23.7 + m∠B + 90 = 180