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3 years ago

What’s the equation for this table? Use y=mx+b. HELP

Mathematics

1 answer:

Verdich [7]3 years ago

3 0

Answer:

y = 2x + 12

Step-by-step explanation:

You can check this by plugging any of the values from the table into the equation. You can find the answer by finding the slope and then using that to find the y-intercept.

y2-y1/x2-x1

16-14/2-1 = 2/1 = 2. So our slope equals 2.

If we set x = 0 to find our y-intercept, and we know that we have a slope of 2 we can subtract 2 from 14 to get the y-intercept.

14-2 = 12. --> (0, 12) which is true because we know that the slope is 2.

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The value of 2(cos square 45 + tan square 60) is

Sergeu [11.5K]

Answer:

Step-by-step explanation:

Using the exact values for

cos45° = $\frac{1}{\sqrt{2} }$ and tan60° = $\sqrt{3}$ , then

2(cos²45° + tan²60°)

= 2( ( $\frac{1}{\sqrt{2} }$ )² + ( $\sqrt{3}$ )² )

= 2( $\frac{1}{2}$ + 3 ) ← distribute

= 1 + 6

= 7

7 0

3 years ago

the radius of the inner white circle of the doughnut is 2cm. The circumference of the outer edge of the doughnut is 43.96cm. Wha

Elenna [48]

Answer:

141.4 sq cm

Step-by-step explanation:

to find the area of the outer circle with a smaller circle inscribed within, you find the area of each and subtract the smaller area from the larger

the radius of the smaller circle is 2

we have to find the radius of the larger circle so we use what we know about its circumference:

C = 2πr

43.96 = 2πr

21.98 = πr

21.98 / π = r

r ≈ 7 cm

now use r = 7 to find area of larger circle:

A = πr²

A = π49

Area of smaller circle: 4π

Area of larger circle without including inner section is 49π - 4π = 45π

45π ≈ 141.4 sq cm

7 0

3 years ago

The measures of both

m_a_m_a [10]

Answer:

m<EAD=29°

m<CAB=119°

Solution,

< CAE+<EAD+90°=180°( angles on a straight line)

61+<EAD+90°=180°

<EAD=180-(90+61)

 =180-151

 =29°

<CAB+<FAB=180°( Linear pair)

<CAB+61°=180°

<CAB=180°-61°

<CAB=119°

hope this helps ..

Good luck on your assignment..

3 0

3 years ago

How many terms are there ?

andrezito [222]

4. Plz mark as brainliest plzz

4 0

3 years ago

Given that y varies jointly as x and z, and y = 13 when x = 5

seraphim [82]

Step-by-step explanation:

y=kxz

13=k x 5 x 8

13= 40k

K=13/40

a. y=13/40 x 4 x 10

y=13/40 x 40

y=13

b. 20=13/40 x x x 12

20=13/40 x 12x

20=156x

20 x 40=156x

800=156x

X=800

156

X=200

X=5 5/39

C. 15=13/40 x 6 x z

15=78z

15x40=78z

600=78z

Z=600

Z=100

Z=7 9/13

6 0

3 years ago