3 years ago

Help me ASAP!!!!!!!! See picture attached

Mathematics

1 answer:

inysia [295]3 years ago

7 0

Answer:

47 very easy

Step-by-step explanation:

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Y=3x, x+y=52<br> Solve by subtracting

Nesterboy [21]

Answer:

x=13,y=39

Step-by-step explanation:

y=3x,x+y=52

x+3x=52

4x=52

x=52/4

x=13

y=3(13)

y=39

5 0

3 years ago

The mean of Alice's last 5 math test scores is 88. The first 4 of these 5 math test scores were 87, 75, 93, and 85. What score d

stiks02 [169]

Answer:

Step-by-step explanation:

x is the score she got on the fifth test.

Since her average score is 88, the sum of all five tests is 5×88.

x + 87 + 75 + 93 + 85 = 5×88 = 440

x = 440 - 87 - 75 - 93 - 85

x = 100

She got a 100 on her fifth test.

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2 years ago

A person places $262 in an investment account earning an annual rate of 3.7%,

yaroslaw [1]

Answer:

$315.24

Step-by-step explanation:

Principal, P =$262

Rate, r= 3.7% =0.037

Time, t= 5 Years

The Value of the Investment which is compounded continuously is gotten using the formula:

$V=Pe^{rt}\\=262*e^{0,037*5}\\=\$315.24$

The value of the investment after 5 years is $315.24 to the nearest cent.

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3 years ago

Compute the probability of the event

Lunna [17]

Answer:

Step-by-step explanation:

joint porbability formula

0.23*0.73*0.74 = 0.124246

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3 years ago

A company that makes hair-care products had 7000 people try a new shampoo. Of the 7000 people, 40 had a mild allergic reaction

olasank [31]

Answer:

5.72

Step-by-step explanation:

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