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jarptica [38.1K]
3 years ago
9

Please need help fast. Look at the picture. Please explain.

Mathematics
1 answer:
Zigmanuir [339]3 years ago
7 0
The answer is 17

This is because 1 + 2 must equal 180 as they are in a straight line.
So 4x + 2 + 110 = 180
Take away 110 from both sides
4x + 2 = 70
Take away 2 from both sides to get 4x = 68. Finally, divide both sides by 4 to get x = 17
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In an animal shelter, the ratio of dogs to cats is 5 to.There are 25 dogs. Write and solve a proportion to find the number c of
pishuonlain [190]

Answer:

5 cats

Step-by-step explanation:

  d/c = 5/1

    d = 25      Substitute in the proportion

25/c = 5/1     Multiply both sides by c

  25 = 5c/1

  25 = 5c      Divide each side by 5

    c = 5

There are five cats.

4 0
3 years ago
Which expression uses the associative property to make it easier to evaluate? (50points)
Naily [24]

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Step-by-step explanation:

Given expression is:

8.(\frac{1}{4}.\frac{3}{5})

The associative property states that for any three terms that are being multiplied, different order of multiplication (i.e. which two terms are multiplied first) will give the same answer.

Let a,b and c be the three terms

then

a.(b.c) = (a.b).c

So applying the associative property on given expression

8.(\frac{1}{4}.\frac{3}{5}) = (8.\frac{1}{4}).\frac{3}{5}

Hence,

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Keywords: Associative property, Properties

Learn more about associative property at:

  • brainly.com/question/9729310
  • brainly.com/question/9738996

#learnwithBrainly

5 0
3 years ago
Plz help me with this
shtirl [24]
2x-7y=18 _(1)
-2x+4y=5

11y=23 , Y=23/11 sub in 1

2x-7×23/11=18

2x = 18×11 + 7×23

x = ( 198 + 161 )/2 = 359/2
5 0
3 years ago
Susie ran a race. She ran 555 miles an hour, and the race took her ttt hours to complete. How long was the race? Write your answ
VMariaS [17]
1000 is it i think for sure
6 0
3 years ago
How many ways can Carlos choose 2 pizza toppings from a menu of 4 toppings if each topping can only be chosen once?
Ahat [919]

Answer:

30 different ways

Step-by-step explanation:

Hi

for the first topping she can choose 1 of 6 items

so she has 6 choices

and then the second topping she has 5 choices as each topping can only be chosen once

so it comes 6 * 5 = 30

3 0
3 years ago
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