MATHEMATICS HIGH SCHOOL

(12x - 1.7) - (17x + 6.7) =

Answers

Answer 1

Answer:

Answer: -5x-8.4

Step-by-step explanation:

$\left(12x-1.7\right)-\left(17x+6.7\right)$

remove the parentheses

$12x-1.7-17x-6.7$

Simplify

Group like terms

$12x-17x-1.7-6.7$

Add

$12x-17x=-5x=$

$-5x-1.7-6.7$

Subtract

$-1.7-6.7=-8.4$

= $-5x-8.4$

Answer 2

Answer:

Answer:

-5x-8.14 is the correct answer

Step-by-step explanation:

First distribute the terms

12x - 1.7 - 17x -6.7 =

Then add/subtract similar terms

12x - 17x = -5x

-1.7 -6.7 = -8.14

so it's -5x -8.14

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Angel B measures 60. What is the measure of the angle that is complementary to angle B

Answers

Complementary angles are two angles whose sum is 90°.

Angle B is 60°, then its complementary angle should only be 30°.

60° + 30° = 90°

If the other angle is lower or higher than 30°, then both angles are not complementary.

Solve this equation: y/9 + 5 = 0. A. y = –5
B. y = 45
C. y = 5
D. y = –45
User: 12. Solve this problem: –282 – (+1,017) = ?
A. 1,299
B. –735
C. –1,299
D. 735

Answers

If you would like to solve the equation y/9 + 5 = 0, you can do this using the following steps:

y/9 + 5 = 0
y/9 = -5 /*9
y = -5 * 9
y = - 45

The correct result would be D. y = - 45.

If you would like to solve - 282 - (+ 1,017), you can do this using the following steps:

- 282 - (+ 1,017) = - 282 - 1,017 = - 1,299

The correct result would be C. - 1,299.

F(x)=4x^2+7x+18 find f (-9)

Answers

Answer: f(-9)= 243

Step-by-step explanation:

f(x) = 4x²+7x -18

f(-9) = 4(-9)²+7(-9)-18

= 4(81) -63-18

= 324- 81

= 243

In quadrilateral ABCD what is m

Answers

Answer:

B.99°

Step-by-step explanation:

105°+ 66°+90°+ angle c=360°

angle c= 360° - 261

=99°

A dump truck driver created 3 equal mounds of dirt from 1/6 of his load. What fraction of the entire load of dirt was in each mound

Answers

lets see the answer to this question the fraction of the entire load of dirt in each mound is b.1/2 this is how i got my answer you multiply 3*1/6=1/2 so the fraction of the entire load of dirt that was in each mound is 1/2

the answer is B. 1/2

hope this helped tons

Kyla measured the weight of a bunch of bananas as 1,100 grams using the scale.What is the margin of error?

A. 1,000 g to 1,200 g

B. 1,050 g to 1,150 g

C. 1,150 g to 1,200 g

D. 1,000 g to 2,000 g

Answers

Answer:

B. 1,050 g to 1,150 g

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Before we can find an answer for this question we should know what a margin of error is.

Margin of Error is the minimum amount of error allowed in a specific measurement. This exists because of the miscalculations that can happen.

Knowing the information above we can confidently say that the answer is B. 1,050 g to 1,150 g . This gives us a padding of error of 50 over and under the actual value of 1,100 grams

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

B, because thats 50 grams either direction of the given weight.

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