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Travka [436]
4 years ago
14

7(-5-6j) distributive property

Mathematics
2 answers:
allochka39001 [22]4 years ago
7 0
-35-42j is the answer. Both should be negative, because a negative and a positive result in a negative
timofeeve [1]4 years ago
3 0

Answer:

-35-42j

Step-by-step explanation:

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Pls i need help with #5 it’s so hard and I’m struggling with it and what’s the answer
Svetradugi [14.3K]

Answer:

7.5

Step-by-step explanation:

Lets define what we're looking for, the "number", to be equal to x.

number = x

Following the questions hints:

" The sum of twice a number and three times a number"

(2x) + (3x)

is (which means equals to basically)

" triple the quantity of five more than a number"

3(x+5)

We connect all of this to find the number and get:

(2x) + (3x) = 3(x+5)

5x = 3x + 15

5x -3x = 15

2x = 15

x = 15/2

x = 7.5

4 0
3 years ago
What is the GCF of each polynomial?
sweet [91]
The first one is 5
The second one is 3
7 0
3 years ago
Triangle LMN is similar to triangle XYZ with altitudes KL and WX. Find KL
Amiraneli [1.4K]
KL is 7.

Since LMN~XYZ, that means m∠N = m∠Z.

Since the angles are the same, we also know that 
sin N = sin Z

Sine is the ratio of the opposite side to the hypotenuse of a right triangle.  The sine of N would be the ratio of sides LK to LN, and the sine of Z would be the ratio of sides XW to XZ.  That gives us:

x/28 = 3/12

Cross multiply the proportion:

12*x = 28*3
12x = 84

Divide both sides by 12:
12x/12 = 84/12
x = 7
3 0
3 years ago
Please i need help
igomit [66]
14.7 for the first one.
31.6 for the next one
7,24.25 is the next one
9,40.41 is the last one..............................
4 0
4 years ago
5. The first time that Jordan ran for class president, he recelved 10% of the votes. This year, when
Triss [41]

Answer:

108 votes

Step-by-step explanation:

There were 180 votes in the election and Jordan received 10% of them.

180 × 0.10 = 18

Jordan received 18 votes the first time. This year, he received 6 times as many votes.

18 × 6 = 108

Jordan received 108 votes this year.

Hope that helps.

5 0
3 years ago
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