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Lelechka [254]
2 years ago
13

Will give brainliest!

Mathematics
2 answers:
OLEGan [10]2 years ago
6 0

Answer:

-(10)2 simply does not equal -102

Step-by-step explanation:

-(10)2

Remove unnesessary parenthesis and put a multiplication symbol between the two numbers.

-10 x 2

Multiplying a negative and a posotive equals a negative.

-20

andre [41]2 years ago
3 0

Answer:

The values are -20 and -102.

Difference is 82.

Step-by-step explanation:

-2(10) = -20.

Difference is -20  - (-102)

= -20 + 102

= 82.

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Give the gradient and y-intercept of the graph with the equation y=5x
yulyashka [42]
Slope is 5
Y intercept is 0

8 0
3 years ago
What is the base 8 representation of the number 11100111(2)
kondor19780726 [428]

Remark

You could convert base two to base 10 and then convert base 10 to base 8. That's the long way. The procedure below is the short way.

Step One

Write the base 2 number in groups of 3 starting from the right and going left

11 100 111

Step Two

Convert the base 2 numbers in groups of 3 to base 8. The largest result will be a 7

11 = 2*1 + 1 = 2 + 1 = 3

100 = 1*2^2 = 4

111 = 1*2^2 + 1*2 + 1 = 7

Step Three

Read the answer going down.

347 is the answer

Answer

347(8) = C


5 0
3 years ago
Sara's savings account balance changed by -$34 one week and by -$67 the next week .Which amount represents the greater change?
fomenos
<u />The greater change is represented by the absolute magnitude

|-34| = 34
|-67| = 67

67 > 34

<u><em>-67 represents the greater change</em></u>
4 0
3 years ago
Read 2 more answers
If <img src="https://tex.z-dn.net/?f=%5Cfrac%7Ba%7D%7B4%7D%20%3D%20%5Cfrac%7Bb%7D%7B7%7D" id="TexFormula1" title="\frac{a}{4} =
tamaranim1 [39]

Answer:

Step-by-step explanation:

\frac{a}{4}=\frac{b}{7}\\a=\frac{4b}{7} \\\frac{a-b}{b} =\frac{\frac{4b}{7}-b }{b} \\=\frac{4b-7b}{7b}\\ =\frac{-3b}{7b}\\ =\frac{-3}{7}

6 0
3 years ago
Eq 1 X+Y=16 <br> Eq 2 6x+9y=120<br><br> Solve by substitution <br> Solve step by step
Alexxx [7]

Answer:

X = 8, Y = 8

Step-by-step explanation:

Step 1) Solve for Y w/ bottom equation to yield - y = -2/3x + 40/3.

Step 2) substitute equation into x + y = 16 to get 1/3x + 40/3 = 16 multiply by 3 to clear the fractions and get x + 40 = 48 - subtract 40 by both sides to get x = 8.

Step 3) Plug x = 8 into the bottom equation to get 48 + 9y = 120, subtract 48 by both sides to get 9y = 72 and then divide by 9. The product is y = 8.

7 0
2 years ago
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