3 years ago

Paula earned a 56% on her science test. If she got 14 problems correct, then how many questions were on the test?

Mathematics

2 answers:

laila [671]3 years ago

8 0

21 problems total taken so 7 were correct

Llana [10]3 years ago

7 0

56 ÷14 = 4, so every question is worth 4 pecent and 4 x 25 equals 100. There was 25 question on the test.

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Help<br> Find the lateral area of this cone.<br> Round to the nearest tenth.

nata0808 [166]

Answer:

233.5 in²

Step-by-step explanation:

First we have to find the slant height.

5²+14²=c²

25+196=c²

221=c²

c=14.866

Now we can find the lateral area.

$\pi$ rl

$\pi$ (5)(14.866)

=233.51566

To the nearest tenth=

233.5 in²

3 0

4 years ago

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What is the probability of throwing a number greater than 4 when rolling a number cube that has sides labeled 1, 2, 3, 4, 5, 6?

Leona [35]

What is probability rolling a number greater than 4?

The only numbers there are is 5 and 6.
That means that there are 2 outcomes out of 6 total outcomes.
That would be 2/6.
Divide the the top and bottom by 2.
In simplest form it would be 1/3.
2/6=1/3

The answer is 1/3. The probability of throwing a number greater than 4 is 1/3.

4 0

3 years ago

.I need some help ‍♂️

Gwar [14]

m<ACB = 65°

m<BCD and m<ACB are supplementary

Sum of supplementary angles = 180

m<BCD = 180 - 65

m<BCD = 115

Answer

A. 115

5 0