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lidiya [134]
3 years ago
11

Pls Sayhard question​

Mathematics
1 answer:
Mashutka [201]3 years ago
6 0

Answer:

Range is 19.54

Step-by-step explanation:

I. If R = H - L

when R is Range, H is highest value and L is lowest value

R = 25.6 - 6.06

R = 19.54

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A sailfish can swim u to 68 miles per hour. At this rate, how far can a sailfish swim in 1/4 hour?
Novay_Z [31]

Answer:

C. 17 miles

Step-by-step explanation:

Divide 68 by 4 since it is a fourth of an hour

6 0
3 years ago
What algebraic expression must be added to the sum of 3x2 +4x+8 and 2x2−6x+3 to give 9x2−2x−5 as the result?
vesna_86 [32]

Answer:

4x^2-16

Step-by-step explanation:

-This is an addition/subtraction problem.

#We subtract the sum of the first two expression from the third expression:

\#Add \ first \ two\\\\=3x^2 +4x+8 +2x^2-6x+3\\\\=5x^2-2x+11\\\\\# Subtract\ from \ the \ third\\=(9x^2-2x-5)-(5x^2-2x+11)\\\\=9x^2-2x-5-5x^2+2x-11\\\\=4x^2-16

Hence, the expression 4x^2-16 must be added to the first two.

7 0
3 years ago
The length of a rectangle is 7 more than twice the width x . The area is . 372
Bad White [126]

Answer:

x (7+2x) = 372,

where 372 is the are of this rectangle, and x is its width.

Step-by-step explanation:

The width of this rectangle is x. Twice that width will be equal to 2x.

The length of this rectangle is seven more than twice the width of this rectangle, or seven more than 2x. The length of this rectangle will thus equal to 7 + 2x.

The area of a rectangle is equal to the product of its width and its length. The width of this rectangle times its length will be equal to x(7+2x).

For this rectangle, this area is equal to 372. In other words,

x(7 + 2x) = 372.

This equation about x represents the relationship between the width, length, and the area of this rectangle.

8 0
3 years ago
The original value of the car is $18,000 and it depreciates by 50% each year what is the value of the car after three years
Oksi-84 [34.3K]

value = 18000*(1-0.50)^3 = 2250

value after 3 years = $2250

8 0
3 years ago
Read 2 more answers
. Write an equation that is perpendicular to y=2x – 1 and has y-intercept of -3
blagie [28]

The answer is very simple .

First you need to determine the slope, which is the reciprocal of the first line.

Then,

y = mx + b

m => -1/m

The perperdicular line has a new slope equal to m = -1/2

In the formula (y - y1) = m ( x - x1 ) + b , you should sustitude this value.

So the final equation will be

-3 = -1/2 (0) + b

b = - 3

y = (-1/2)x - 3

That is the solution

6 0
1 year ago
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