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VikaD [51]
3 years ago
8

Please simplify this! 14x - 4 - 2x - 3 = ​

Mathematics
2 answers:
Fittoniya [83]3 years ago
8 0

Answer:

12x-7=

Step-by-step explanation:

Just do -3 + -4 and 14x - 2x

Debora [2.8K]3 years ago
3 0

Answer:

12x - 7 <em>or </em>-7 + 12x <em>(changing the order of the values will not change the answer!)</em>

Step-by-step explanation:

identify the first set of like terms that you're going to combine. i'm going to start with the x terms. you don't have to start with those, but that's just how i'm going to do it.

<u>14x</u> - 4 <u>- 2x</u> - 3

combine the first set of like terms.

14x - 2x

after subtracting 2x, you're left with 12x.

identify the remaining like terms from the original expression.

14x <u>- 4</u> - 2x <u>- 3</u>

combine the remaining like terms.

-4 - 3 <em>aka -4 + -3</em>

after subtracting 3 from -4, you're left with -7.

i hope this helps! have a great day <3

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deff fn [24]
We know that
2π/3 radians-------> convert to degrees-----> 2*180/3---> 120°
120°=90°+30°

Part a) Find <span>sin(2π/3)
</span>sin(2π/3)=sin (90°+30°)
we know that
sin (A+B)=sin A*cos B+cos A*sin B
so
sin (90°+30°)=sin 90*cos 30+cos 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
sin (90°+30°)=1*√3/2+0*1/2-----> √3/2

the answer part a) is
sin(2π/3)=√3/2

Part b) Find cos (2π/3)
cos (2π/3)=cos (90°+30°)
we know that
cos (A+B)=cos A*cos B-sin A*sin B
so
cos (90°+30°)=cos 90*cos 30-sin 90*sin 30
sin 90=1
cos 30=√3/2
cos 90=0
sin 30=1/2
cos (90°+30°)=0*√3/2-1*1/2----> -1/2

the answer part b) is
cos (2π/3)=-1/2
8 0
2 years ago
Paul Woonan, a self employed accountant, is married and enrolls in a non-group health insurance plan. The plan costs $7,710 per
natulia [17]

In this question, we're trying to find how much Paul will pay per month in premiums.

We know that the plan costs $7,710 for a year

In order to find his premium cost per month, we need to get the total price for the year and divide it by 12, since there are 12 months in a year.

Solve:

7,710 ÷ 12 = 642.5‬0

This means that he'll pay $642.5‬0 a month.

Answer:

$642.5‬0

8 0
2 years ago
What is the measure of angle CBE?
GarryVolchara [31]

Answer:

72°

Step-by-step explanation:

180-3x=2x

5x=180

x=36

Angle CBE = 2(36) = 72

7 0
2 years ago
Point Coordinate
telo118 [61]

Step 1:

First, let's order the number from least to greatest.

A. -0.31

B. -0.33

C. -0.38

D. -0.29

We could see that A, B, and C's numbers are already from least to greatest, so all we have to do is to move -0.29 (D) up to the top, since -0.29 is the number with the lowest value.

C. -0.38

B. -0.33

A. -0.31

D. -0.29

Step 2:

Let's look at the four number lines. Remember that we already organized the numbers from least to greatest, so the order they go in on the number line is: C, B, A, and D. Since Line C and D Don't follow that rule, we know those are not our answers. Also on line B, C is on the left of -0.4, but C's value is less than -0.4, so B is wrong. We are left with line A.

Line A: C. -0.38, B. -0.33, A. -0.31, D. -0.29

Our answer: Line A

5 0
3 years ago
A submarine descends 175 feet under water in 5 minutes. The rate of descent is constant. What is the rate of descent per minute?
IRISSAK [1]

Answer:

I think its 35 I'm not sure though

3 0
2 years ago
Read 2 more answers
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