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pychu [463]
3 years ago
7

What is the value of the expression below when y 8 and z = 8? 9y + 3z​

Mathematics
1 answer:
aleksley [76]3 years ago
6 0

Answer:

96

Step-by-step explanation:

8y+3z

9(8)+3(8)

72+24

96

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I’ve been stumped on this question for a while (picture included)
julsineya [31]

Answer:

Since the question is indicating to use a graphing calculator, we can assume that we would be required to graph both of the equations.

Red = \sqrt{x+2}

Blue = 3x^2-4x-1

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The points where the graphs intersect would be your coordinates to derive your solution

Red = (1.864, 1.966)

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4 0
3 years ago
Find the area of the figure <br> A)75in^2<br> B)70in^2<br> C)65in^2<br> D)80in^2
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Answer: B, 70 inches.

Step-by-step explanation:

Let's start slow and go shape by shape.

Based on the information we have, we know that the length for the rectangle is 8 inches by 7 inches. 8*7 = 56, so we have one of the answers.

Next, we do the triangle. Based on the information we have, we know that the triangle is 4 inches by 7 inches divided by 2. 4*7 = 28 \frac {28}{2} = 14

Adding 14 and 56, we got the answer to be B, 70 inches.

3 0
3 years ago
Figure 1 is transformed to Figure 3, as shown in the diagram. Describe the transformation. A) dilation, then reflection B) refle
tresset_1 [31]
C. hope this helps...
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3 years ago
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Find the equation of the line that is perpendicular to y = –3x + 1 and passes though the point (6, 3).
noname [10]

Answer:

A. y=1/3x+1

Step-by-step explanation:

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3=1/3*6+b

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now you can replace the b with 1 in your equation to get your final answer of y=1/3x+1

6 0
3 years ago
The price for 11 ballpoint pens is $11.77. Which of the following represents the same price per pen? A. 4 pens for $4.44 B. 5 pe
Harrizon [31]
First we need to know how much each pen costs.  So we take 11.77 and divide it by 11.  That gives us 1.07 per pen.  So answer choice A has 4 pens for 4.44, so we need to multiply 1.07 x 4.  That gives you 4.28, so we know that isn't the correct answer.  For option B, we need to multiply 1.07 x 5.  That is 5.35, so that also can't be the answer.  For C, we need to do 1.07 x 6, and that gives us 6.42.  So we know the correct answer is option C.
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