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Lisa [10]
3 years ago
12

Pl help I will give you Brainly

Mathematics
2 answers:
nataly862011 [7]3 years ago
6 0
B also you can use a graphing calculator to type in each choice and see which one match’s it’s way easier
Alla [95]3 years ago
5 0

Answer:

b

Step-by-step explanation:

im pretty sure

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the surface areas of two similar figures are 36 in2 and 49 in2 . if the volume of the smaller figure is 648 in3, what is the vol
tester [92]

Area is a squared measure of the one-to-one measure of the figures. If the surface areas of the figures, from smaller to larger, are 36 and 49, by taking the square roots of those numbers, you get the perimeter measure of the figures, which is the one-to-one measure. The square root of 36 is 6, and the square root of 49 is 7. Now, in order to find the ratio of the volumes smaller to larger, we take that one-to-one measure and cube it, since volume is a cubed measure. We will set up the proportions to find the cubed measures first. My proportion will be set up with the smaller figure's info on top and the larger figure's info on bottom: \frac{6^3}{7^3}=\frac{216}{343}. Those are the cubed ratios.  Now we will set up our equation to solve for the volume of the larger: \frac{216}{343}=\frac{648}{x}. Now we can cross-multiply to solve for x, the volume of the larger figure. 216x = 222264. Dividing both sides by 216 gives us a volume for the larger figure of 1029 inches cubed. There you go!

3 0
3 years ago
Read 2 more answers
the height of each door on the plan is given 1,5cm but the height of each door is 1,92m is an actual size.show that the scale of
andreev551 [17]

Answer:

It is.

Step-by-step explanation:

1.5cm is in the plan.

1.92m is in real life.

We need to convert m to cm so 1.92m=192cm

The ratio is 1:128.

1.5cm in plan as is 192 cm in real life.We write that as the ratio of: 1.5 : 192.

We need to prove that it is the actual scale so we equal this ratio(1.5:192) and the other ratio(1:128):

1.5 : 192 = 1 : 128

Then we multiply the numbers that are in and out of the equation like this:

1.5 * 128 = 192 * 1

192 = 192 It is proven beacuse the numbers are equal. The scale of the house is 1:128

7 0
3 years ago
Help me plsssssssssssssssssssssss!
ivann1987 [24]

"Answer" and Explanation:

All I can tell is that x=60, and that the angle is also 60, since it is and equalateral triangle.  I can't see anything about sides lengths nor can I tell what 'side' means, so yeah that's all I can say.  Sorry that probably didn't help at all.  

6 0
3 years ago
Suppose that 96% of bolts and 91% of nails meet specifications. One bolt and one nail are chosen independently. NOTE: This is a
Crank

Answer:

0.9964 is the probability  that at least one of them meets specifications.

Step-by-step explanation:

We are given the following in the question:

B: Bolts meet the specification

N: Nails meet the specification

P(B) = 96% = 0.96

P(N) = 91% = 0.91

One bolt and one nail are chosen independently.

Thus, we can write

P(B\cap N) = P(B) \times P(N) = 0.96\times 0.91 = 0.8736

We have to find the probability that at least one of them meets specifications.

P(B\cup N) = P(B) + P(N) -P(B\cap N)\\P(B\cup N) =0.96 + 0.91-0.8736\\P(B\cup N) =0.9964

0.9964 is the probability  that at least one of them meets specifications.

3 0
4 years ago
Vera's office recycled a total of 4 kilograms of paper over 2 weeks. After 7 weeks, how many kilograms of paper will Vera's offi
Natali [406]
Vera's office would recycle 9 kilograms of paper over 7 weeks. <span />
6 0
3 years ago
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