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4 years ago

Which expression is represented by the model below

Mathematics

1 answer:

EastWind [94]4 years ago

8 0

Answer:

Step-by-step explanation:

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Triangle abc is a right triangle. One of the acute angles is (3x+20)and the other is (3x+10) find the value of x

sasho [114]

Answer:

x=10

Step-by-step explanation:

90+3x+10+3x+20=180

-90 -10 -20 -120

combine like terms

6x=60

x=10

5 0

4 years ago

Michaela walked 2/5 mile to the store in 1/4 hour. What is her walking pace?

rusak2 [61]

Her walking pace is:
$\frac{8}{5}$

Solution

$\frac{2}{5} \div \frac{1}{4 } \\ \frac{2}{5} \times \frac{4}{1} = \frac{8}{5}$

8 0

4 years ago

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The product of two numbers subtracted by 44, the result is 100. Find the numbers.

melamori03 [73]

Answer: the numbers can be 16 and 9, 6 and 24 or other factors of 144

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4 years ago

A straight line

Nuetrik [128]

Answer:

y=4x+c

23=4(5) +c

23=20+c

23-20=c

3=c

y=4x+3

Step-by-step explanation:

4 0

3 years ago

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In a random sample of 500 people, 160 had blue eyes. In a group of 2500 people, how many would you expect to have blue eyes?

Rzqust [24]

If I'm right, then the answer would be B. 800. Hope I helped!

3 0

3 years ago