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AURORKA [14]
3 years ago
6

PLEASE HELP ME , WILL MARK BRAINLIEST

Mathematics
1 answer:
aev [14]3 years ago
3 0
It’s A fewer than ten students identified country as their favorite kind of music
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Evaluate the expression for the given value of the variables.
Rudik [331]

Since c=15 and d=3, we replace the c and d variables with 15 and 3.

0.5x15-1.7x3

0.5x15=7.5

1.7x3=5.1

Now subtract.

7.5-5.1=2.4

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hope it helps

6 0
2 years ago
Given right triangle ABC with right angle at C, find sin A if a=8 and b=15​
Svetllana [295]

Answer:

if you are lookng for C it is 17

Step-by-step explanation:

7 0
3 years ago
How many solutions does the following equation have? 4(y-30)=4y+124(y−30)=4y+12
dedylja [7]

Answer:

A. No solution

Step-by-step explanation:

Choose 1 answer:

A. No solutions

B. Exactly one solution

C. Infinitely many solutions

Solution

Given:

4(y-30)=4y+12

Open parenthesis

4y-120=4y+12

Collect like terms

4y-4y=12+120

0=142

There is no solution to the equation, therefore, the answer is A

4 0
3 years ago
PLEASE HELP IM RUNNING OUT OF TIME
dolphi86 [110]

Answer:

the answer is 160 that the answer

5 0
2 years ago
The length of human pregnancies from conception to birth varies according to an approximately normal distribution with a mean of
g100num [7]

Answer:

68% of pregnancies last between 250 and 282 days

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 266

Standard deviation = 16

What percentage of pregnancies last between 250 and 282 days?

250 = 266 - 16

250 is one standard deviation below the mean

282 = 266 + 16

282 is one standard deviation above the mean

By the Empirical Rule, 68% of pregnancies last between 250 and 282 days

4 0
3 years ago
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