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hammer [34]
3 years ago
10

Whats the answer to -|2+5| =

Mathematics
1 answer:
lilavasa [31]3 years ago
8 0

Answer:-7

Step-by-step explanation:do absolute value first and then put the negative sign

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The difference between two numbers is 5. six times the larger number is 8 times the smaller number. write a system of equations
Ksenya-84 [330]
X - y = 5....x = 5 + y
6x = 8y

6(5 + y) = 8y
30 + 6y = 8y
30 = 8y - 6y
30 = 2y
15 = y

x - y = 5
x - 15 = 5
x = 15 + 5
x = 20

ur 2 numbers are : 20 and 15
6 0
3 years ago
Solve in radians help plz
PIT_PIT [208]
I think we can use the identity  sin x/2  = sqrt [(1 - cos x) /2]

cos x -  sqrt3 sqrt ( 1 - cos x) /sqrt2 = 1

cos x - sqrt(3/2) sqrt(1 - cos x) = 1
sqrt(3/2)(sqrt(1 - cos x) =  cos x - 1   Squaring both sides:-
1.5 ( 1 - cos x) = cos^2 x - 2 cos x + 1

cos^2 x - 0.5 cos x - 0.5 = 0 

cos x = 1 , -0.5

giving x = 0 , 2pi, 2pi/3,  4pi/3  ( for  0  =< x <= 2pi)

because of thw square roots some of these solutions may be extraneous so we should plug these into the original equations to see if they fit.

The last 2 results dont fit so the answer is  x = 0 , 2pi Answer
5 0
3 years ago
Which of the following are true about dilations? Select all that apply.
Genrish500 [490]

Answer:

A, B and C

Step-by-step explanation:

Dilations are transformation in which a shape either gets bigger or smaller than the original image. Although it changes sizes it does not change shape.

Therefore, A, B and C are correct.

<h3>Hope this Helps!</h3>

:)

4 0
3 years ago
A central angel in this diagram is
Paha777 [63]

Answer:

it looks like an acute angle

4 0
3 years ago
Answer please I am begging !!!!
Jobisdone [24]

7,134 + d = 10,000

Subtract 7,134 from each side:

d = 10,000 - 7,134

d = 2,866

7 0
4 years ago
Read 2 more answers
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