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3 years ago

PLZ HELP ME! I CAN"T FIGURE THIS OUT! HELP! NO LINKS!

Mathematics

2 answers:

wolverine [178]3 years ago

7 0

Answer:

There's only 1 step. It is the second one, "Multiply 4 by 5 and multiply 4 by 3x"

Step-by-step explanation:

4(5 - 3x) =

4(5) - 4(3x) =

20 - 12x

You can't simplify further, so the second one is the right answer

Hope this helps! :)

balandron [24]3 years ago

4 0

The first step is to multiply 4 by 5 and multiply 4 by 3x!

You should get 20 - 12

Then the 2nd step is to subtract the products :)

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The area of a triangle is 36 4/5 units squared and the height of the triangle 9 1/5 what is the length of the triangles base

den301095 [7]

Answer:

Height = 8 units

Step-by-step explanation:

Area of a triangle = $36\frac{4}{5}$ square units

= $\frac{184}{5}$ square units

Height of the triangle = $9\frac{1}{5}$ units

= $\frac{46}{5}$ units

Formula to calculate the area of a triangle is,

Area = $\frac{1}{2}(\text{Base})(\text{Height})$

$\frac{184}{5}= \frac{1}{2}\times (\frac{46}{5})\times (\text{Height})$

$\frac{184}{5}= (\frac{46}{10})\times (\text{Height})$

Height = $\frac{184}{5}\times \frac{10}{46}$

= $\frac{368}{46}$

= 8 units

Therefore, height of the given triangle is 8 units.

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2 years ago

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Evaluate 0.53n+5 when n=3

Alex777 [14]

0.53(3) + 5 = 6.59
6.59 is the answer.

6 0

3 years ago

You are picking up a friend and going to a concert. your friend lives 3 miles west of your house and the concert is 21 miles eas

artcher [175]

24 miles away from your house

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3 years ago

Oliver has 3 times as many rocks in his collection as Katie. Then Oliver collected 75 more rocks and Katie collected 105 more ro

Evgesh-ka [11]

Answer:

The answer to your question is Katie had 15 rocks and Oliver 45 rocks.

Step-by-step explanation:

Conditions

Katie has x amount of rocks

Oliver has 3x amount of rocks

The final amount of rocks

Oliver = 3x + 75

Katie = x + 105

Now, they have the same amount of rocks, then we can equal both equations

3x + 75 = x + 105

Solve for x

3x - x = 105 - 75

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x = 30/2

x = 15

Conclusions

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3 years ago

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Alexus [3.1K]

Answer:

Step-by-step explanation:

All you need to do is substitute!

(3x2)^2-1

6^2-1

36-1

= 35

Hope this helps!!

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2 years ago