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andrew-mc [135]
2 years ago
14

How to find least common denominator of rational expressions (number 10)

Mathematics
2 answers:
lora16 [44]2 years ago
6 0

Answer:

you should factor the expressions!

Step-by-step explanation:

for example: x²-9=(x+3)×(x-3) you know how to do factoring, right?

kirill [66]2 years ago
4 0

Answer:

The answer to your question is  factor the exprestion

Step-by-step explanation:

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Find the missing dimension use the scale factor 1:12 model 32 cm find the actual in m
gizmo_the_mogwai [7]

Given:

The scale factor is 1:12.

Dimension of model = 32 cm

To find:

The actual dimension in m.

Solution:

Let x be the actual dimension.

The scale factor is 1:12 and the dimension of model is 32 cm.

\dfrac{1}{12}=\dfrac{32}{x}

On cross multiplication, we get

x=32\times 12

x=384\ cm

x=3.84\ m             [\because 1\ m=100\ cm]

Therefore, the actual dimension is 3.84 m.

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2 years ago
What is f(x)=4x^2+19<br> find f(-5)
katovenus [111]

Answer:

Step-by-step explanation:

f(x)=4x²+19

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7 0
3 years ago
Coco buys a very large rectangular chocolate bar and decides that each day, she
olasank [31]
On each of the six days Coco ate a square piece of chocolate with side length 15 cm, 15 cm, 9 cm, 6 cm, 3 cm and 3 cm, respectively. Since we know the originally chocolate bar was a rectangle the 6 squares must fit together as shown. The length of the longer side of the original chocolate bar, then, was 15 + 15 + 9 =39<span> cm</span>
7 0
2 years ago
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Given that 8x−4y=39<br> Find y when x=5<br> Give your answer as a fraction in its simplest form
elena55 [62]

Answer:

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7 0
2 years ago
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Which function could be a stretch of the exponential decay
yKpoI14uk [10]

Answer:

(x) = 2(1/6)^x

Step-by-step explanation:

To easily solve this problem, we can graph each option using a graphing calculator, or any equation plotting tool.

Case 1

f(x) = 2(6)^x

Case 2

f(x) = 1/2*(6)^x

Case 3

f(x) = 2(1/6)^x

Case 4

f(x) = 1/2*(1/6)^x

By looking at the pictures below, we can tell that the correct option is

Case 3

f(x) = 2(1/6)^x

Since the stretch is done by a factor of 2

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2 years ago
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