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lutik1710 [3]
3 years ago
15

Evaluate -9x+3y+4 for x=5 and y=7

Mathematics
1 answer:
Semmy [17]3 years ago
5 0

Answer:

\displaystyle -20

Step-by-step explanation:

\displaystyle -9[5] + 3[7] + 4 = -45 + 21 + 4 = -20

I am joyous to assist you anytime.

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If three parallel lines are cut by a transversal and one angle is measured to be 90 degrees, what can be said of the remaining?
V125BC [204]

Answer: A. There all 90 degrees


Step-by-step explanation:

Given: Three parallel lines are cut by a transversal and one angle is measured to be 90 degrees.

We know that if two lines cut by transversal the following pairs are equal:

  • Vertically opposite angles.
  • Corresponding angles.
  • Alternate interior angles.
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If one angles measures 90°, then its supplement would be 90°.

Then by using above properties , we will get measure of all angles as 90°.



8 0
3 years ago
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On Tuesday Emily bought four posters,
hram777 [196]

Answer: 16 posters

Step-by-step explanation:

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Tuesday - Bought 4 posters, adding up to 20

Wednesday - Half of the posters were destroyed, half of 20 is 10

Thursday - 10 posters remained.

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What expression is equal to 75. Squared?
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3 years ago
6. What number can be added to -4 to get a sum of 0?<br> a) -4<br> b) 0<br> c) %<br> d) 4
Alika [10]

-4 + x = 0

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The animal shelter has both male and female Labrador retrievers in yellow, brown, or black. There is and equal number of each ki
Illusion [34]

Answer:

Step-by-step explanation:

There are choices when it comes to color (3). Then there is the choice between a boy dog or a girl dog (2). Multiply the number of colors by the number of genders. (6)

When choosing a dog from random, you can either choose:

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(This list is called the Sample Space, a list of all possible outcomes)

Because the text says that all types of dogs are found in even numbers, it would not matter if there was 6, 12, 18, ... amount of dogs.

When looking at this sample space, you can see that the chance of choosing a Yellow/F dog, is 1 in 6.

5 0
3 years ago
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