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liberstina [14]
3 years ago
6

Anna found the difference between thirteen and the product of four and a number. Which expression represents this phrase, and wh

at is its value if n = 3? StartFraction n Over 4 EndFraction minus 13; when n = 3 the value is Negative 12 and one-fourth 13 minus 4 n; when n = 3 the value is 1 4 n minus 13; when n = 3 the value is –1 13 minus StartFraction n Over 4 EndFraction; when n = 3 the value is 12 and one-fourth
Mathematics
2 answers:
liraira [26]3 years ago
8 0

Answer:

C

Step-by-step explanation:

Mashcka [7]3 years ago
6 0

Answer:

1

13-4n ; when n = 3 the value is 1

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Please help with this problem. (both attachments are part of the same question)
liubo4ka [24]

Answer:

C

Step-by-step explanation:

We are dining the value that is $92 fewer or less than she did on the 7th. On the 7th, she had $48. Subtracting $92, we get $48 - $98 = -$44 = money she had on the 14th. Therefore, the answer is C.

5 0
3 years ago
A boat that is 2 miles offshore from a lighthouse is moving parallel to the coast. The light on the lighthouse is turning at the
Papessa [141]

Answer:

speed of light movement when boat is 1 mile from light house is 0.029  miles/sec

Step-by-step explanation:

Given data:

distance of boat from light house is 2 miles

rate of turning of light is 100 degree per minute

w = 100 degree/min

w = 100 \times \frac{\pi}{180} rad/min

w = 1.745 rad/min

w = 0.0290 rad/sec

speed of movement of light v = w\times r

v = 0.029 \times 1 = 0.029 mile/sec

thus speed of light movement when boat is 1 mile from light house is 0.029  miles/sec

4 0
3 years ago
A significance test is conducted for which the alternative hypothesis states that more than 85 percent of adult sea turtles on a
Tcecarenko [31]

Answer:

d. Of all possible samples of the same size, 20.79 percent will result in 85 percent of adult sea turtles on the beach being females.

Step-by-step explanation:

Hypothesis testing is conducted to test an observation against the null hypothesis. P-value is calculated to determine whether to accept or reject the null hypothesis. In the given case the p-value is 0.4158 which means null hypothesis is true.

4 0
3 years ago
If you divided 20acres of land into 1\4 acre section how !any sections doses it divied to
LuckyWell [14K]
If you divide 20 acres into 1/4 sections you'll get
20 ÷ 1/4 sections. When you divide fractions, you just multiply the reciprocal.

20 ÷ 1/4 =
20 × 4/1 = 80 sections
5 0
4 years ago
Write each expression using a single exponent. x to the ninth over x squared
artcher [175]

Answer:

x^7

Step-by-step explanation:

4 0
3 years ago
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