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kap26 [50]
3 years ago
5

15 added to 8 times a number is more than 3 times the value of 1 less than twice the number​

Mathematics
1 answer:
Mariana [72]3 years ago
8 0

Answer:68 I think I'm probably wrong

Step-by-step explanation:15+8=23•3=69-1=68

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CAN SOMEONE HELP ME I HAVE A BIG TEST BUT I SUCK AT MATH
allsm [11]

Answer:

y = 8

Step-by-step explanation:

if you do -2 + -2 and add ten to it you get 8

5 0
3 years ago
A ball is thrown upward from the top of a 40 foot high building at a speed of 80 feet per second. The ball's height above
tekilochka [14]

it takes 5 seconds to reach a height of 40 ft. and It takes 2.5 seconds to reach maximum height.

Let h(t) represent the height of the ball at time t.

Given that the height is given by:

h(t) = -16t² + 80t + 40

1) For the ball to reach a height 0f 40 ft, h(t) = 40, hence:

40 = -16t² + 80t + 40

16t² - 80t = 0

t(t - 5) = 0

t = 0 or t = 5

Hence it takes 5 seconds to reach a height of 40 ft.

2) The maximum height is at h'(t) = 0,

h'(t) = -32t + 80

-32t + 80 = 0

32t = 80

t = 2.5

It takes 2.5 seconds to reach maximum height.

Find out more at: brainly.com/question/11535666

5 0
2 years ago
What is the equation of the line through the points (4,6), (8,12), and (10,15)?
Delvig [45]

y = 3/2x is the answer for this problem.

8 0
3 years ago
skyalr makes turkey sandwiches for a family. he purchases 5 pounds 4 ounces of sliced Turkey for $26.88.what is the unit cost pe
algol [13]

Answer:

$0.32/ounce

Step-by-step explanation:

Total cost of Turkey - $26.88

Amount Purchased - 5 pounds 4 ounces

16 ounces in a pound

5 x 16 + 4 = 84

\frac{84x}{84} = \frac{26.88}{84}

x = $0.32

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