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horsena [70]
3 years ago
9

7 + 2y^2 Evaluate the expression for Y = 5. Please help me

Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

107

Step-by-step explanation:

We first need to input the values of the variables.

7 + 2 x 5^2

7+10^2

7+100 = 107

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The average number of customers per day increased 25 percent during the sale. If the average number of customers per day before
Rasek [7]

Answer:

The average number of customers per day during the sale was 150.

Step-by-step explanation:

This question can be solved using a rule of three.

Before the sale, the average number of customers per day was 120, which is 100% = 1.

Now, there are x customers, and since it is an increase of 25%, it is 100+25 = 125% = 1.25. So

120 - 1

x - 1.25

x = 1.25*120 = 150

The average number of customers per day during the sale was 150.

6 0
4 years ago
Given P(A)=0.34P(A)=0.34, P(B)=0.45P(B)=0.45 and P(A\text{ or }B)=0.517P(A or B)=0.517, find the value of P(A\text{ and }B)P(A a
maria [59]
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8 0
3 years ago
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grigory [225]

Answer:

positive 2.989

Step-by-step explanation:

because I'm smart

3 0
3 years ago
Which of the following is the sum of 3/8 and 4/7
Ira Lisetskai [31]

Answer:

53/56

Step-by-step explanation:

3/8 + 4/7

Get a common denominator of 56

3/6 * 7/7 = 21/56

4/7 *8/8 = 32/56

21/56+ 32/56 = 53/56

4 0
3 years ago
Read 2 more answers
Each picture shows a figure and its reflection. Which picture shows the line of reflection?
nikitadnepr [17]

Answer:

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Step-by-step explanation:

The point of reflection is the bottom left one because when reflecting a figure in a line or in a point, the image is congruent to the preimage. A reflection maps every point of a figure to an image across a fixed line. The fixed line is called the line of reflection.

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2 years ago
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