3 years ago

Simplify the expression. 8s−11s+6 =

Mathematics

1 answer:

dalvyx [7]3 years ago

8 0

The answer is -3s+6

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WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER + 100 POINTS WHEN YOU DO ANSWER!!

Lapatulllka [165]

y=-2x(squared)+3x-7

the 2x is squared

hope that helped

6 0

3 years ago

Convert 42 miles to kilometres

faust18 [17]

Answer:

67.2km

Step-by-step explanation:

1mile=1.6km

42miles=?

=42miles×1.6

=67.2 km

Hope this will help ya!

7 0

3 years ago

Read 2 more answers

Which set of coordinates satisfies the equations x − 2y = -1 and 2x + 3y = 12? A. (1, 2) B. (3, 1) C. (3, 2) D. (-3, -2) E. (3,

Sindrei [870]

Answer:

(3,2) Choice C

Step-by-step explanation:

x-2y = -1

2x+3y =12

multiply the first equation by -2

-2x +4y = 2

add the 2 equations together

2x+3y =12

-2x +4y = 2

-----------------

7y =14

divide by 7

y =2

x-2y = -1

x -2(2) = -1

x-4 = -1

add 4 to each side

x = 3

(3,2)

5 0

3 years ago

Chord AB subtends two arcs with measures in the ratio of 1:5. Line l is tangent to a circle at point A. Find the measure of the

elena-14-01-66 [18.8K]

Answer:

30°

Step-by-step explanation:

If chord AB subtends two arcs with measures in the ratio of 1:5, then the measure of minor arc is x and the measure of major arc is 5x. Thus,

$x+5x=360^{\circ}\\ \\6x=360^{\circ}\\ \\x=60^{\circ}.$

Thus, the measure of the angle AOB is 60°. Consider isosceles triangle AOB (because AO=BO=radius of the circle). The angles adjacent to the base AB are congruent, thus

$\angle BAO=\dfrac{1}{2}(180^{\circ}-60^{\circ})=60^{\circ}.$

Since line CD is tangent to the circle,

$\angle CAO=90^{\circ}.$

Hence,

$\angle CAB=\angle CAO-\angle BAO=90^{\circ}-60^{\circ}=30^{\circ}.$

3 0

4 years ago

What is the decimal form for the given fraction 640/1000

Andru [333]

Answer:

0.64

Step-by-step explanation:

1.) 1000 = 10×10×10

2.) 640÷10=64

3.) 64÷10=6.4

4.) 6.4÷10=0.64

5 0

1 year ago