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Tasya [4]
4 years ago
12

Step by step what is 2z+7z-z+5

Mathematics
2 answers:
Citrus2011 [14]4 years ago
8 0

First add 2z and 7z = 9z

Next subtract -z because it is negative. = 8z

You would then add you positive 5 back to the expression

8z+5


MArishka [77]4 years ago
3 0
///Hope this helps///

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Pls help i need to know if this is right i got 7d+50
vodka [1.7K]

Answer:

l think d=1.4

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5 0
3 years ago
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Multiply by 1,2,3 and so on to find the first six multiples of 90
barxatty [35]

Answer:

We know that the factors of the number 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90.

Step-by-step explanation:

so it would be 1,2,3,5,6,9 hope it helps :)

8 0
3 years ago
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The length of the hypotenuse of a 30-60 -90 triangle is 14 units. what is the length of the short leg
kifflom [539]

Recall that the short leg is the side opposite the 30 degrees angle. And the ratio of the short leg to the hypotenuse is 1:2.

Let the length of the short leg be x, then,

\cfrac{x}{14}=\cfrac{1}{2}\\ \\\Rightarrow2x=14\\ \\\Rightarrow x=\cfrac{14}{2}=7

6 0
4 years ago
A conjecture and the flowchart proof used to prove the conjecture are shown.
amm1812

Answer:

∠1 + ∠2 + ∠3 = 180°

Step-by-step explanation:

Given :  AB II XC

To Show : ∠1 + ∠2 + ∠3 = 180°

Proof: Here, given that AB is parallel to the line XC

⇒  ∠4  =  ∠2  (Pair of Alternate angles as AB II XC)  .........  (1)

and ∠5  =  ∠3 (Pair of Alternate angles as AB II XC) ...........  (2)

Now, ∠1 + ∠4 + ∠5  = 180° ( Straight Angle)

But, from above (1) and (2)

∠1 + ∠2 + ∠3   =   180°  ( as ∠4  =  ∠2,  ∠5  =  ∠3)

Hence, ∠1 + ∠2 + ∠3   =   180°

Hence Proved.

7 0
3 years ago
Causes of the expulsion of acadians
Pavel [41]

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Step-by-step explanation:

5 0
2 years ago
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