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son4ous [18]
4 years ago
10

Evaluate each expression for a = -2,b = -4.1, and c = 5.-c + b – a

Mathematics
2 answers:
Viefleur [7K]4 years ago
7 0
-c+b-a=?\\\\substitute\ values:\\
a=-2,\ b=-4,1\ c=5\\\\
-c+b-a=-5+(-4,1)-(-2)=-5-4,1+2=-9,1+2=\\\boxed{-7,1}
laila [671]4 years ago
4 0
For this question, you can substitute in all the values for the variables.
-c + b - a
= -(5) + (-4.1) - (-2)
= -5 - 4.1 + 2
= -9.1 + 2
= -7.1

Hope this helps! :)
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In the magic square shown, the sums of the numbers in each row, column and diagonal are the same. What are the values of x, y, z
garri49 [273]
v=23, w=19, x=22, y=26, z=20;; to find the answer, set the expressions equal to each other, since the sum of the numbers should be the same.

Use v+w+24=v+43 and solve for w, which would result in w=19.

You can also use x+z+24=z+46 to find x– or x=22.

Plug in the values for x and w, and find y using 25+22+19=y+40 or 66=y+40 and results in y=26.

After plugging in the y value, you can easily find v and z.

v+18+25=66– since 66 is the sum of a full row, and the sums of the numbers in each row, column, and diagonal are the same, so therefore, v+43 should also equal 66. This results in v=23, and, using the same value for the sum of z+21+25, or z+46=66, we find that z=20.

The final answer is v=23, w=19, x=22, y=26, z=20.

Sorry it took so long;; I hope this helps :)
5 0
4 years ago
Set Hill 1 to 75 cm and the other hills to 0 cm. What is the height in meters?
yanalaym [24]
Cm to meter is divided by 100 so, 75 is divided by 200 is equals to 0.75 meters
8 0
3 years ago
Someone please respond I’ve been reposting this question several of times already
seraphim [82]

Answer:

-4

Step-by-step explanation:

If a = -4 then you can eliminate hte -4x and 4x by adding them, you get 0x, so you eliminate the x variable

7 0
3 years ago
Graph each set of points. Which set represents equivalent ratios?
olga2289 [7]
I’m pretty sure it is B but i’m not positive.
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3 years ago
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Maru [420]

Answer:

0.34

Step-by-step explanation:

5 0
3 years ago
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