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Shtirlitz [24]
3 years ago
6

Which describes the expression 5×(2+8)+3

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:50x+3

Step-by-step explanation:

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In 1998 a San Diego reproductive clinic reported 49 births to 207 women under the age of 40 who had previously been unable to co
RUDIKE [14]

Answer:

828

Step-by-step explanation:

To cut the margin of Error in half, the clinic needs quadruple of the sample size.

If the sample size is 207 women,

Then quadruple of 207 = 4 * 207 = 828

7 0
3 years ago
HELP!!! Use the properties of exponents to simplify the expression:
Dvinal [7]
There you go the answer key

6 0
3 years ago
Which point is an x-intercept of the quadratic function f(x)=(x-4)(x+2)
Mademuasel [1]

Answer:

x = - 2 or x = 4

Step-by-step explanation:

To find the x- intercepts let f(x) = 0, that is

(x - 4)(x + 2) = 0

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4

x + 2 = 0 ⇒ x = - 2

The x- intercepts are at x = - 2, x = 4

3 0
3 years ago
A patient's total surgery charges are $1,278. The patient must pay the annual deductible of $1,000, and the policy states a 80-2
musickatia [10]

Answer:

The patient owe $1255.6 .

Step-by-step explanation:

As given

A patient's total surgery charges are $1,278.

The patient must pay the annual deductible of $1,000.

The policy states a 80-20 coinsurance.  (i.e 20% of the surgery amount is given by the patient .)

20% is written in the decimal form .

= \frac{20}{100}

= 0.20

20% of patients surgery cost  =  0.20 ×  $1278

                                                 = $ 255.6

Patients owe = Deductible cost + 20% of patients surgery cost

                      = $1000 + $255.6

                      = $ 1255.6

Therefore the patient owe $1255.6 .

8 0
4 years ago
Seven days ago, the gas tank on Rosa’s vehicle was filled with 25 gallons of gasoline. Today there are 11 gallons of gasoline. W
uysha [10]

Answer:

-14

Step-by-step explanation:

You can find the amount of change by subtracting the original amount from the new amount.

11 - 25 = -14

Overall: Appropriate answer is, -14.

6 0
3 years ago
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