3 years ago

What is the fraction of this problem

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

7 0

Answer:

7/10

Step by Step Explanation:

there are 10 parts and 7 parts shaded.

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Please help find the rate?!

LenKa [72]

the answer would be 2000%

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3 years ago

Two angles are supplementary. The first angle is 3x degrees. The second angle is (2x+25) degrees. Determine the measure of the s

Alex17521 [72]

A = 3x
b = 2x+25
180 = a + b
180 = 3x + 2x + 25
180 = 5x + 25
155 = 5x
x = 31

a = 3*31 = 93
b = 2*31 + 25 = 87

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3 years ago

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HELP IM FAILING MATH OOOOFFFF

meriva

The point-slope form:

$y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points $(-4,\ -1)$ and $\left(\dfrac{1}{2},\ 3\right)$ .

Substitute:

$m=\dfrac{3-(-1)}{\frac{1}{2}-(-4)}=\dfrac{4}{4\frac{1}{2}}=\dfrac{4}{\frac{9}{2}}=4\cdot\dfrac{2}{9}=\dfrac{8}{9}\\\\y-(-1)=\dfrac{8}{9}(x-(-4))\\\\y+1=\dfrac{8}{9}(x+4)$

The standard form: Ax + By = C

$y+1=\dfrac{8}{9}(x+4)\qquad\text{multiply both sides by 9}\\\\9y+9=8(x+4)\qquad\text{use distributive property}\\\\9y+9=8x+32\qquad\text{subtract 9 from both sides}\\\\9y=8x+23\qquad\text{subtract 8x from both sides}\\\\-8x+9y=23\qquad\text{change the signs}\\\\\boxed{8x-9y=23}$

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4 years ago

There are 42. Children in the classroom each student will get 28 pictures and 46 erasers how many pictures with the teacher had

Stella [2.4K]

42 times 28 = 1176

i'm 90% sure it's right please tell me if it's not

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3 years ago

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A preschool teacher has 17.5 feet of yarn for her students to make necklaces to raise money for a local animal shelter each neck

Scorpion4ik [409]

17.5x12=210
210 divided by 14=15
15x2.50=37.5
37.5
17.5 is feet so you need to divide by 12 for inches which gets 210 and you need each necklace to be 14 inches so you need to divide 210 by 14 which is 15 each necklace costs 2.50 so you multiply 2.50x15
You get 37.5

7 0

2 years ago