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jolli1 [7]
3 years ago
15

Simplify the expression: -4z -6 - 7z + 3

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0
The answer would be -11 z - 3
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I need help on this asap
Svetradugi [14.3K]

Answer:

Option 4

Step-by-step explanation:

:)

8 0
3 years ago
Read 2 more answers
Angle B measures 60° what is the measure of the angle that is complementary to angle B
iragen [17]

Answer:

30 degrees

Step-by-step explanation:

The definition of complementary angle is to sides that add up to 90 degrees so  to show the work you would work it out like this:

I like to write out all information and than solve it.

we know:

Angle A = 60

Angle B =?

Total = 90

so now you can work it

90 - 60= 30

6 0
3 years ago
What could I have been trying to figure out? A.) The amount of paint you have left if you start with 2 cans and use 1/4 of a can
il63 [147K]

Answer:

A) 7/4 cans of paint left, or 1 and 3/4 cans left

B) 8 posters

C) 1/8 of a can

D) 2/4 of a can or 1/2 of a can

Step-by-step explanation:

A) You use 1/4 of a can to make a poster.  if you just make 1 and start with 2 cans , that means you start with 8/4.  so if you use up 1/4 you have 7/4 left.  or 1 and 3/4.

B) Each poster takes 1/4 of a can of paint.  With two cans just count by 1/4 until you get to 2.  so 1/4 + 1/4 = 2/4 + 1/4 = 3/4 + 1/4 = 4/4 and so on.  it works out that you can make a total of 8 posters.  

This is also a division problem two cans of paint divided by 1/4 for each poster.  it works out to 2*4 = 8, though if you do not know fraction multiplication/ multiplication that's fine.  if you would like me to explain let me know.

C) 1/4 makes two.  Assuming each poster uses the same amount, we would know 1 would take half of that.  cutting 1/4 in half makes 1/8 so one poster takes 1/8 of a can of paint.  so 1/8 for 1 poster.

D) 1/4 of a can of paint makes 1 poster.  so two poster uses twice as much.  2/4 or 1/2 of a can of paint.

7 0
3 years ago
(7x2) x 3
Sindrei [870]
First you need to multiply the one in the bracket 7x2 which is 14 then u must multiply it with 3 to get the answer so 14x3 which equals to 42

7 0
1 year ago
A vegetable garden is 12 meters long by 7 meters wide. In one square meter, you count two toads. Estimate the population of toad
zavuch27 [327]

Answer: 168 toads

Step-by-step explanation:

First we need to find the area of the garden. Area = length x width

Area = 12m x 7m = 84 m²

2 toads/ 1 sq m

84(2) = 168

6 0
3 years ago
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