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Mathematics

2 answers:

love history [14]4 years ago

4 0

Answer:

$(-0.9)^{3}$

Step-by-step explanation:

We use exponents to symbolize how many times we're multiplying together. So 5 x 5 x 5 = 5^3. We have three 5s, so the exponent is 3.

This is the same logic: we have three -0.9s, so the exponent is 3. It needs to be outside the parenthesis so the negative is taken into consideration.

Marina86 [1]4 years ago

3 0

Answer: -0.729

Step-by-step explanation:

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Above are two different models of the same triangular-shaped garden. If the height of the model on the left is 14 cm, what is th

Katyanochek1 [597]

Please consider the attached graph.

We have been given that there are two different models of the same triangular-shaped garden. The height of the model on the left is 14 cm. We are asked to find the height of the model.

First of all, we will convert 14 cm into feet.

We can see that model on left side has a scale of 1 cm is equal to 15 feet.

14 cm = 14×15 feet = 210 feet.

We can see that model on the right side has a scale of 1 cm is equal to 7.5 feet.

Since both models represent same triangular-shaped garden, so the actual height for the both models will be same.

Now we need to convert actual height of 210 feet into inches using 2nd scale.

$\text{210 ft}=210\text{ ft}\times \frac{1\text{ inch}}{\text{7.5 ft}}=\frac{210}{7.5}\text{ inch}=28\text{ inch}$