3 years ago

-7 7/8 + (3 5/6) please help me im going to fail

1 answer:

4 0

(Assuming that theses are mixed number fractions) the exact form is -97/24, decimal form -4.0416 repeated, and the mixed number is -4 1/24

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Can someone please check my answers I WIILL GOVE BRAINLY TO FIRST PERSON THAT ANSWERS!

Rainbow [258]

The first is C. r = 4(4/9)
the second one is B. h = 130
the second one is A. k = 7

i’m so sorry, they’re all wrong

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3 years ago

A ramp with a constant incline is made to connect a driveway to a front door. At a point 4 feet from the driveway, the height of

Mashcka [7]

Answer:

3 inches up per foot across

Step-by-step explanation:

The rate of change:

( y2 - y1 ) / (x2 - x1) = ( 18 in - 12 in ) / ( 6 ft - 4 ft ) =

= 6 in / 2 ft = 3 in / 1 ft

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3 years ago

Peter is making an "X marks the spot" flag for a treasure hunt. The flag is made of a square white flag with sides of 12 centime

zheka24 [161]

Answer:

34 cm

Step-by-step explanation:

The actual question is How many inches of ribbon Peter will need to make the "X".

Using the Pythagorean theorem, the length of the diagonal of a square with 12 cm sides is:

$d^2=12^2+12^2\\d=\sqrt{288}\\ d=16.97\ cm$

Since the "X" requires two diagonals, the length of ribbon required is:

$L=2*16.97\\L=34\ cm$

The length required, rounded to the nearest centimeter, is 34 cm.

6 0

3 years ago

Simplify each expression. 1-4b+3b+11

meriva

The correct answer is -b+12

5 0

3 years ago

Read 2 more answers

PLEASE HELP ME I ONLY HAVE 20 MINUTES!!!!

Over [174]

$h(x) = 40x - 16x^2\\h(x) = 15\\40x - 16x^2 = 15\\-16x^2 + 40x - 15 = 0\\$

Using the quadratic formula we get

$x_1 = 0.5\\x_2 = 2.04$

Therefore the tennis ball is at least 15 feet above the ground from 0.5 seconds to 2.04 seconds

7 0

3 years ago

-7 7/8 + (3 5/6) please help me im going to fail​

-7 7/8 + (3 5/6) please help me im going to fail