3 years ago

Solve for ttt. 2(t+1) = 10

Mathematics

1 answer:

Nikolay [14]3 years ago

8 0

Answer:

I hope this helps you. Have a great rest of your day!

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Someone help lol. bsbajajzisksnzjiskakzkz

Mazyrski [523]

Answer:

Nah I have grids

Step-by-step explanation:

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3 years ago

write an equation for a circle with a diameter that has endpoints at (-4, -7) and (-2, -5). round to the nearest tenth if necess

andrezito [222]

Answer:

The answer to your question is (x + 3)² + (y + 6)² = 2

Step-by-step explanation:

Endpoints (-4, -7) and (-2, -5)

Process

1.- Find the length of the radius

d = $\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} }$

d = $\sqrt{(-2 + 4)^{2}+ (-5 + 7)^{2} }$

d = $\sqrt{2^{2} + 2^{2} }$

d = $\sqrt{4 + 4}$

d = $\sqrt{8}$

Radius = $\frac{\sqrt{8} }{2}$ = $\sqrt{2}$

2.- Find the center

Xm = $\frac{-4 - 2}{2} = \frac{-6}{2} = -3$

Ym = $\frac{-7 - 5}{2} = \frac{-12}{2} = -6$

Center = (-3, -6)

3.- Write the equation

(x - h)² + (y - k)² = r²

(x + 3)² + (y + 6)² = ( $\sqrt{2}$ )²

(x + 3)² + (y + 6)² = 2

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3 years ago

The heights of the children at a summer camp are normally distributed with a mean of 54 inches and a standard deviation of 2.4 i

Marta_Voda [28]

Z= (X-mean)/s.d.

X (height in inches) = (Z*sd)+mean = (1.5*2.4)+54 = 57.6 in

6 0

3 years ago

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A fine fabric was selling for $10.50 per half yard. Joni bought 2 1/3 yards. How much did he spend? Brainliest for correct answe

gregori [183]

Answer:

$49 is spended by him.

solution given:

rate=for $10.50 per half yard=$10.50/0.5=$21 per yard

area=2 1/3=7/3yards

now

total cost =rate× area =$21×7/3=$49

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3 years ago

A rectangle has a length that is 4 units longer than the width. If the width is increased by 7 units and the length increased by

Savatey [412]

Answer:

A = (x + 7)(x + 9)

Step-by-step explanation:

Let the width w = x

then length l = w + 4 = x + 4

Area = length x width

= x(x+4)

Then the the width is increased by 7 units and the length increased by 5 units.

w = x + 7

l = (x + 4) + 5 =x + 9

A = (x + 7)(x + 9)

5 0

3 years ago

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