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nasty-shy [4]
3 years ago
13

Solve 91 - 2 + 7k| +1 = 46

Mathematics
1 answer:
mylen [45]3 years ago
7 0

Answer:

k = -6.29

Step-by-step explanation:

91 - 2 + 7k + 1 = 46

add all like terms

90 + 7k =46

subtract

90 + 7k = 46

-90          -90

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

7k = -44

divide

\frac{7k}{7} = \frac{-44}{7} (these arent fractions thats just how i divide things :))

= -6.28571428571

round to nearest hundredth

k= -6.29

goes up to 9 because 5 makes 8 go up one when rounding

sorry for asking so many questions. hope this helps

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Zoom in to see more clear :)
algol13

Answer:

1) x=30 degrees

2)y=20 degrees

1) 3x+2x+1x= 6x (a triangle is normally 180 degrees) 180 divide 6=30 (this is because 6 Xs make up the triangle)

2) 2y+5y+5+y+15= 8y+20, (since a triangle has 180 degrees) 8y+20=180 (-20 from both sides) 8y=160, 160 divide 8=20

(I hope this makes sense)

5 0
3 years ago
For which number is this the expanded form? 9 × 10 + 2 × 1 + 3 × (1/10) + 8 × (1/100) Group of answer choices 98.08 93.48 9.238
photoshop1234 [79]

Answer:

Well it is i think

Step-by-step explanation:

98.8 I don't know tho

6 0
2 years ago
Let F(x)=3x-1,h(x)=-x+5<br> find (f•h)(-2)
vovangra [49]

Answer:

8

Dont mind me if i am wrong!

4 0
3 years ago
What is the slope of the line passing through the points (-1,-7) and (-9, -2) ?​
Dominik [7]
The equation for slope is:
(y2 - y1) / (x2 - x1)

-2 -(-7) = 5
-9 -(-1) = -8

Slope of the line:

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7 0
3 years ago
Read 2 more answers
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Marta_Voda [28]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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