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shutvik [7]
3 years ago
8

Substitute x with (-2) and y with (-4) Simplify: 5(41 - x) + {-7(y + x)} =

Mathematics
1 answer:
kkurt [141]3 years ago
5 0

Answer:

257

Step-by-step explanation:

We want to evaluate:

5(41 - x) + ( - 7(y + x)

for x=-2 and y=-4.

We substitute to get:

5(41 -  - 2) + ( - 7( - 4 +  - 2)

We now simplify to get:

5(41  + 2)  - 7( - 6)

5 \times 43 + 42

215 + 42 = 257

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I need help as fast as possible
aivan3 [116]

Answer:

36°

Step-by-step explanation:

Given,

Measurement of <3 = 2x+8

Measurement of <4 = 6x+12

Since both are supplementary,

Therefore,

<3 + <4. = 180° [linear pair]

=> 2x + 8 + 6x + 12 = 180

=> 2x + 6x + 8 + 12 = 180

=> 8x + 20 = 180

=> 8x = 180 - 20 = 160

=  > x =  \frac{160}{8}

=> x = 20

Now as we have got the value of x,

According to the question measurement of <4 is,

<4 = 6×4 + 12 = 24 + 12 = <u>36</u><u>°</u><u> (Ans)</u>

4 0
2 years ago
ZX bisects ∠WZY. If the measure of ∠YXZ is (6m – 12)°, what is the value of m?
krok68 [10]

Answer:

The correct answer is option B.  17

Step-by-step explanation:

It is given that, ZX bisects ∠WZY. If the measure of ∠YXZ is (6m – 12)°

<u>To find the value of m</u>

From the figure we can see that, triangle WYZ is an isosceles  triangle.

ZW = ZY

Then <YXZ = <WXZ = 90°

It is given ∠YXZ  = (6m – 12)°

(6m – 12)° =  90°

6m = 90 + 12  = 102

m = 102/6 = 17

Therefore the value of m = 17

The correct answer is option B.  17

8 0
3 years ago
Read 2 more answers
Help! please answer ASAP!
ValentinkaMS [17]
The answer would be 7,6,5,4,3,2,1 inches tall in the chronological order
5 0
3 years ago
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ava walks to the end of her section of trail and back in 90 minutes Luis walks his his section of the trail in 1 3/4 hours. Who
AlekseyPX

Answer:

Luis

Step-by-step explanation:

One hour is 60 minutes total, leaving and extra 30 minutes for Ava, which is half of 60. So, in fraction form, she walked 1 1/2 OR 1 2/4 hours, which is less than Luis. He walked about an hour and 45 minutes total, or 105 minutes.

6 0
3 years ago
Solve for x.<br> x = [?]<br> 5x - 7/. 3x + 27
Tanzania [10]

Step-by-step explanation:

5x-7+3x+27=180

8x+20=180

8x=160

x=20°.

hope this helps you.

8 0
3 years ago
Read 2 more answers
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