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2 years ago

The histograms below show the heights (in meters) of the tallest buildings in China and the United States.

Mathematics

1 answer:

USPshnik [31]2 years ago

6 0

Answer:

A and B

Step-by-step explanation:

I tried it and it was correct. The United states has the tallest... and China has more buildings... are the correct ones.

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2. To which set or sets does the number -14

zhuklara [117]

It is d im pretty sure

3 0

2 years ago

X + y = 24

Masja [62]

Answer:

(10, 14)

Step-by-step explanation:

To solve this system let's use substitution:

Solve the first equation for x, obtaining x = 24 - y, and then substitute 24 - y for x in the second equation:

3(24 - y) + 5y = 100

Performing the indicated multiplication, we get:

72 - 3y + 5y = 100

Combining like terms results in 72 - 100 = -2y, or -28 = -2y

Thus, y must be 14.

If y = 14, then the first equation tells us that x = 10.

Check: Is this true? 3(10) + 5(14) = 100 YES

The solution is (10, 14).

What was it about the questions on the best that you were supposed to compare to this solution?

8 0

3 years ago

How many significant digits should the product of 11,435 m and 19.35 m have

DochEvi [55]

Answer:

2 significants choes the least significant digets which is 19.35

result is 221,267.25

6 0

2 years ago

\dfrac {15}k

Monica [59]

Answer:

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

The number of calories you burn depends on your weight. A 160-pound person burns 237 calories during 30 minutes of tennis. Find

larisa [96]

Answer:

A 190-pound person would burn 285 calories at the same rate.

Step-by-step explanation:

Calories burn depends on the weight

Weight of first person = 160

Calories burn for 160 pounds in 30 mins = 237

Calories burn rate for 1 pound in 30 mins = $\frac{237}{160}$ = 1.5

Calories burn for 190 Pound person would be:

Weight of second person = 190

Calories burn for 190 pounds in 30 min:

As the burn rate of calories is same for the two persons:

= rate × weight

= 1.5 * 190

= 285 calories

5 0

3 years ago