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antoniya [11.8K]
2 years ago
5

Which expression can be used to find 7(-6 1/8)

Mathematics
2 answers:
andrezito [222]2 years ago
7 0

The first option,

both have to be negative, because they were originally both part of the one fraction, which was all negative.

My name is Ann [436]2 years ago
6 0

The answer is the first choice

7(-6)+7(-1/8)

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The sum of two numbers is 49 and the difference is 25 . What are the numbers?
OLEGan [10]

Answer:

x = 37 y = 12

Step-by-step explanation:

Let x be one number

Let y = other number

x+y = 49

x-y = 25

Add the equations together

x+y = 49

x-y = 25

---------------

2x = 74

Divide by 2

2x/2 = 74/2

x =37

x+y = 49

37+y = 49

Subtract 37 from each side

37+y-37 = 49-37

y = 12

4 0
3 years ago
Plz help with this math. Can't find the area of the triangular faces.
Zina [86]
First of all, you have to find the area of both triangles:
\frac{bh}{2}
\frac{4*4}{2}
Or just 16 because there are 2 of the same triangles.

Now you have to find the area of the 3 rectangles.

The two that are in the front are 4*3 (l*h) or 12*2 (because there are 2 congruent rectangles. The area of those rectangles is 24 square mm.

Now you find the area of the back rectangle:
5.7*3 = 17.1

Finally, you add all the found numbers to figure out the surface area.
17.1 + 16 + 24 = 57.1 square millimeters.

Hope this helped,
Loafly
4 0
3 years ago
100 points! A company makes triangular plates for individual slices of pizza. For each plate, the base is 9 inches and the heigh
daser333 [38]
To find the area you would had to do a an triangle formula so the final answer would be 63 inches
3 0
3 years ago
Simplify: -3|-2|+4|-5| Show full work.
kherson [118]
Absolute values are always positive, so this becomes -3(2)+(4)(5)
Multiply. -6+20=14

Answer: 14
3 0
2 years ago
Read 2 more answers
The diameter of a round coin is 27.9 millimeters. What is the approximate area of one face of the coin?
Paladinen [302]

Answers is C

Step by step solution is attached

7 0
3 years ago
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