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DENIUS [597]
3 years ago
7

NEED HELP!! 10 POINTS!!

Mathematics
1 answer:
Evgen [1.6K]3 years ago
6 0
I know ab and dc are equal, so I set them equal:

4q-8=q+4

3q=12

q=4

we aren't done, we need to find the total so we plug it back in:

4(4)-8

16-8= 8

8 is the answer

:)

You might be interested in
1.2 if a = -6, b = +4, c = -3 and d = -2 Calculate the value of :-
aalyn [17]

Answer:

a)ab=-6×+4=-24

b)a÷d=-6÷-2=3

c)2bd=2×+4×-2=-16

Step-by-step explanation:

Put the values according to the question

Hope it help you

7 0
2 years ago
Please help w/ #18 (10 points)
patriot [66]
Answer: y=-(1/8)x+(21/2)


Explanation:

The new equation’s slope needs to be perpendicular to y=8x-1

To get the new slope, we take the negative reciprocal of the slope from above

8 —> -1/8

Now we have y=-(1/8)x+b but it needs to pass through (4,10), so we need to find the value of b that makes this possible.

Since (4,10) is in the form of (x,y) we can plug in these values into the new equation to solve for b:

y=-(1/8)x+b
10=-(1/8)4+b
10=(-1/2)+b
b=(21/2)

Now put b back into the new equation

y=-(1/8)x+b

y=-(1/8)x+(21/2)






6 0
2 years ago
Two mechanics worked on a car. The first mechanic worked for 5
ArbitrLikvidat [17]

<u>Answer:</u>

$50 and $115

<u>Step-by-step explanation:</u>

We know that,

the sum of the two rates = $165 per hour

Let x and (165 - x) represent the $/hour of the 15hr and 5hr mechanics respectively.

Then combining their charges together to get:

(x*15)hour+(165-x)*5 hour=1325

Solving for x to get:

15x-5x+825=1325

10x=500

x=50

So the rate charged per hour by one mechanic is $50 and for the other mechanic = (165-50)= $115.

8 0
3 years ago
Suppose you slice through a square pyramid such that the plane is parallel to the base and halfway up the total height of the py
harkovskaia [24]

Answer:

they re equal their for you can divide

Step-by-step explanation:

6 0
2 years ago
I need help on my tips for math could someone be nice and help
djverab [1.8K]

Answer:

A im pretty sure its a try it and let me know

6 0
2 years ago
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