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Marysya12 [62]
4 years ago
9

Are these ratios equivalent?

Mathematics
1 answer:
Rainbow [258]4 years ago
4 0
Yes they are the both equal 5.25 when divided
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Dominick's puppy weighs 8 pounds and is gaining about 1 3/4 pounds each week, what's the rate of change
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Your rate of change would be 3/4 lb/week.
You could model this with a linear eq:

y = 8+ 3/4x
5 0
4 years ago
The surface area of this triangular pyramid, whose base and lateral faces are congruent equilateral triangles, is __ square inch
DedPeter [7]

Answer:

The surface area is equal to 390\ in^{2}

Step-by-step explanation:

The surface area of the triangular pyramid is equal to the area of its four triangular faces

so

In this problem

SA=4[\frac{1}{2}(b)(h)]

we have

b=15\ in

h=13\ in

substitute the values

SA=4[\frac{1}{2}(15)(13)]=390\ in^{2}

4 0
3 years ago
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What is the solution to -3/4 x + 2 ≤ -7 ?
Dvinal [7]

Answer:

x ≥ 12

Step-by-step explanation:

Step 1: subtract 2 from both sides

Now you have; -3/4 x ≤ -9

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(when dividing an inequality by a negative you have to flip the sign)

Therefore the answer is x ≥ 12

6 0
4 years ago
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The radius of a circle is 12 miles. What is the angle measure of an arc bounding a sector with area 10​ square miles?
hram777 [196]

\bf \textit{area of a sector of a circle}\\\\ A=\cfrac{\theta \pi r^2}{360}~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad degrees\\[-0.5em] \hrulefill\\ A=10\\ r=12 \end{cases}\implies 10=\cfrac{\theta \pi 12^2}{360}\implies 10=\cfrac{2\pi \theta }{5} \\\\\\ 20=2\pi \theta \implies \cfrac{20}{2\pi }=\theta \implies \cfrac{10}{\pi }=\theta \implies 3.18\approx \theta

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3 years ago
Electric current flowing through wire produces heat that
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I’m not sure? But don’t answer the guy with the bitly it’s a scam
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