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3 years ago

HELP I HAVE 5 MIN TO TURN THIS IN

Mathematics

2 answers:

mario62 [17]3 years ago

6 0

Answer:

I know:

the jet ski rental flat rate ($75)
the additional hourly cost ($60)
the budget ($200)

I need to know:

how many hours the jet ski can be rented to stay within the budget

Step-by-step explanation:

im sorry but thats all i can help you with... please give brainliest!!

tekilochka [14]3 years ago

4 0

Is there supposed to be a photo?

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Which gives the correct values for points A, B, C, and D? A number line going from negative 2 to negative 1. There are 5 equal s

allochka39001 [22]

Answer:

Step-by-step explanation:

(D).

4 0

3 years ago

A group of four components is known to contain two defectives. An inspector tests the components one at a time until the two def

Stells [14]

Answer:

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

Step-by-step explanation:

Total number of possible ways to choose 2 components for defectives out of 4 components = 4C2 = 6

Y can only take values of 2, 3 and 4

So, Probability of Y = P(Y) = 1C(Y-1) / 6

when Y = 2, P(2) = 1/6 = 0.167

when Y = 3, P(3) = 2/6 = 0.333

when Y = 4, P(4) = 3/6 = 0.5

4 0

3 years ago

The function f(x) = –2x2 + 32 represents the height of an object, f(x), after x seconds. How many seconds does it take for the o

Law Incorporation [45]

Given:

The height of an object, f(x), after x seconds is

$f(x)=-2x^2+32$

To find:

The time taken be object to hit the ground.

Solution:

We have,

$f(x)=-2x^2+32$

The object will hit the ground if the height is 0, i.e., f(x)=0.

$0=-2x^2+32$

$2x^2=32$

Divide both sides by 2.

$x^2=\dfrac{32}{2}$

$x^2=16$

Taking square root on both sides.

$x=\pm 4$

Time cannot be negative. So, x=4.

Therefore, the object will hit the ground after 4 seconds.

5 0

3 years ago

A chef uses 3 3/4 pounds of semolina flour and 1 5/8 pounds whole wheat flour for each batch of pasta she makes. One week she us

atroni [7]

One batch = 3 3/4 + 1 5/8
one batch = 3 6/8 + 1 5/8
one batch = 4 11/8
one batch = 5 3/8 pound of flour

One week = 86 pound
86 ÷  5 3/8 = 86 ÷   43/8
86 ÷  5 3/8 = 86 x   8/43
86 ÷  5 3/8 =16

She makes 16 batches of pasta

5 0

3 years ago

Multiply each equation by a constant that would help to eliminate the y terms.

Zinaida [17]

Answer:

Therefore the required resulting equation is

$6x-15y=-63\\-15x+15y=90$

6 x minus 15 y = negative 63.

Negative 15 x + 15 y = 90

Step-by-step explanation:

Given:

$2x-5y=-21$ ......................Equation ( 1 )

$3x-3y=-18$ ......................Equation ( 2 )

To Find:

Expression after multiplying to eliminate y term,

Solution:

So to eliminate 'y' term we need to multiply equation 1 by a constant 3 and equation 2 by a constant -5, such that equations becomes

$3(2x-5y)=3\times -21\\\\6x-15y=-63$ .....( 1 )

$-5(3x-3y)=-5\times -18\\\\-15x+15y=90$ .....( 2 )

so now by adding new equation one and two we can eliminate y term that means -15y and +15y will get cancel,

Therefore the required resulting equation is

$6x-15y=-63\\-15x+15y=90$

6 x minus 15 y = negative 63.

Negative 15 x + 15 y = 90

3 0

3 years ago

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