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Lemur [1.5K]
3 years ago
5

Don't guess!

Mathematics
2 answers:
MrRissso [65]3 years ago
7 0

Answer:

C

Step-by-step explanation:

1. Plug 7/8 into the expression:

4(7/8)

2. Multiply:

4 * 7/8 = 28/8 = 3.5

3.5 < 4

Free_Kalibri [48]3 years ago
7 0

Answer:

D is correct

Step-by-step explanation:

C is incorrect.  7/8 is incorrect because a fraction that isn't greater than a whole will result in the whole number becoming more than itself. In this case, the number 4 will become more if it is mutiplied with a fraction less than one. Multiply the numbers

<h3>4 ⋅ 7 /8 = 28/8</h3><h3>28/8 / 7/2 = 7/2</h3><h3>7/2 simplified is 6 1/2.</h3>

B is also incorrect. It'll equal 4 8/17

A is also incorrect, it equals 9/ 2, 8 1/2.

<h2>Therefore D is correct. </h2>

<h2 /><h2> </h2><h2> </h2><h2 />
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Kevin is twice as old as Sean. Together their ages add up to 75.
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Answer:

Kevin would be 50 and Sean would be 25

Step-by-step explanation:

Assuming that there is no other information given,

and Kevin is twice as old as sean, and they gotta add up to 75 total

50 + 25 = 75

25x2 = 50

Hope this helped!

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3 years ago
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2 years ago
Jenna knits scarves and then sells them on Etsy, an online marketplace. Let C(x) = 4x + 20 represent the cost C in
Alex Ar [27]

Answer:

Step-by-step explanation:

We are given that Jenna knits scarves and sells them on Etsy an online market place.

C(x)=4x+20

Where C=Represents the cost in dollars

x=Number of scarves

We have to create a table to show the relationship between the number of scarves x and the cost C

Substitute x=1

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Substitute x=2

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3 0
3 years ago
Solve −5z+1&lt;−14.<br><br> solution is __
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Answer:

z>3

Step-by-step explanation:

6 0
3 years ago
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Someone please help me in this question it is kind of confusing it is a question under pre calculus in first year calculus i wil
masya89 [10]
Neither P, nor A are on the sketch 
I guess P is the upper right corner of the rectangle 
and A=(0,1) 

P belongs to the line going through (1,0) and B(0,y) 
<span>but we don't know the y-coordinate of B </span>

<span>the triangle is right and isosceles, so pythagoras a²+a²=2² ... 2a²=4 ... a²=2 ... a=sqrt2 </span>
now look at the right triangle BOA 
<span>his hypotenuse is AB=sqrt2 and the <span>the kathete</span> OA is 1 </span>
so y²+1²=(sqrt2)² ... y²+1=2 ... y²=1.. y=1 
so the coordinates of B are (0,1) 

the line going through (1,0) and (0,1) is L(x)=-x+1 

P belongs to this line, so the coordinates of P are P(x,-x+1) (0<x<1) 

b) so if that's P, the height of the rectangle is -x+1 and the width=2x 
<span>so its area A(x)=2x*(-x+1)= -2x²+2x 

I hope my answer has come to your help. Thank you for posting your question here in Brainly.

</span>
5 0
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