2 years ago

A student missed 3 questions on a 30 question test. what percent did she get correct?

Mathematics

1 answer:

Lyrx [107]2 years ago

4 0

Answer:

90%

Explanation: 27/30 ÷ 3 = 9/10

9/10 ⇒ 9 x 10 = 90%

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1. find the balance after one year if you deposit all the money into an account that pays $2.50 in simple interest each month (t

Naddika [18.5K]

1. Balance after 1 year with simple interest= 600 + (2.5 x 12) = 600 + 30 = $630

2. Balance after 1 year with compounded interest = P ( 1 + $\frac{r}{n}$ $)^{nt}$

= 600 ( 1 + $\frac{0.05}{12}$ $)^{12}$ = 600 (1.0511) = $630.66 = approx. $630

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3 years ago

A six-sided number cube labeled 1 through 6 is rolled 500 times. An odd number is rolled 325 times. Compare the experimental pro

Komok [63]

The actual probability of having odd is 3/6=1/2
so no of odds theoretically is 250

but it is 325
so, experimental is higher than theoretical
so answer is B !
and you can go for that !

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3 years ago

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The value of the 4 in 34,258 and 47,163

Lera25 [3.4K]

The value of 4 in 34,258 is 10 times the value of the 4 in 47,163.

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3 years ago

3) If the population of the United States increased to 420 million and the number of

shutvik [7]

Answer:

About 965517 Americans.

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2 years ago

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Help I don’t know the steps

Korvikt [17]

Answer:

down below

Step-by-step explanation:

straight lines are 180 degrees and you have 2 angles on a line. one of which is 72 and the other is unknown. It is solved for below.

$180=72+x\\180-72=72+x-72\\108=x$

your missing degree is 108.

i may not be right, if i'm not i am very sorry.

7 0

2 years ago