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Viefleur [7K]
2 years ago
9

Hannah loves to shop. She can shop in 1/9 of the mall in 1/4 of an hour. If she continues at this rate, how much of the mall can

she shop per hour?
brainllest to the first one
Mathematics
1 answer:
DiKsa [7]2 years ago
7 0
4/9s of the mall per hour. 1/9 + 1/9 + 1/9 + 1/9
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Helpp I’ll mark you brainlist
aliya0001 [1]

Answer: 1

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3 years ago
Multiply. Write your answer as a fraction in simplest form. 10/7 x 3/5
ziro4ka [17]
10/7*3/5: 30/35 or 6/7
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2 years ago
A woman is randomly selected from the 18-24 age group. For women of this group, systolic blood pressures (in mm Hg) are normally
dybincka [34]

Answer:

0.0274

Step-by-step explanation:

The mean is \mu =114.8 and the standard deviation is \sigma =13.1.

Calculate

Z=\dfrac{X-\mu}{\sigma}

for X=140:

Z=\dfrac{140-114.8}{13.1}\approx 1.9237.

If X\sim N(114.8,\ 13.1), then Z\sim N(0,1)

and

Pr(X>140)=Pr(Z>1.9237).

Use table for normal distribution probabilities to get that

Pr(Z>1.9237)=1-Pr(Z\le 1.9237)=1-0.9726=0.0274.

7 0
3 years ago
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A cyclist takes 16secs to travel 200 meters. a. calculate the speed. B. Is this speed at the start, at the finish or the average
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Answer:

12.5 secs per meter

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start of average

7 0
3 years ago
Triangles A B C and N M L are shown. Angles B A C and L N M are right angles.
tresset_1 [31]

The additional information needed to prove both triangles are similar are:

A. ∠B ≅ ∠M

C. △ABC was rotated and dilated by a scale factor between 0 and 1

E. ∠C ≅ ∠L

<h3>What are Similar Triangles?</h3>

When a triangle is rotated and dilated by a scale factor, the new triangle formed has the same shape but different size of the original triangle. However, all its corresponding angles remains congruent.

Thus, for triangles ABC and NML to be similar to each other, since we already known each have one congruent right angles, the additional information needed are:

A. ∠B ≅ ∠M

C. △ABC was rotated and dilated by a scale factor between 0 and 1

E. ∠C ≅ ∠L

Learn more about similar triangles on:

brainly.com/question/2644832

#SPJ1

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