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ahrayia [7]
3 years ago
10

it took a car 3dyas to travel 2910 miles. what’s the cars average speed in miles per hour.round to the nearest mile per hour ?

Mathematics
1 answer:
Margaret [11]3 years ago
3 0

The answer to this question is 40 miles per hour.

:)

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Alona [7]
This question is really hard
5 0
3 years ago
Read 2 more answers
13. jewelry marena is using a certain number of blue beads in a bracelet
kherson [118]

The simplest expression that represents the total number of beads in her bracelet design is 2b + 7.

Expression:

An expression is the  sentence with a minimum of two numbers or variables and at least one math operation.

This math operation can be addition, subtraction, multiplication, or division.

The structure of an expression is:

Expression = (Number/variable, Math Operator, Number/variable)

Given,

Jewelry Marena is using a certain number of blue beads in a bracelet

design. she will use 7 more red beads than blue beads.

Here we need to write an expression in simplest form that represents the total number of beads in her bracelet design.

Assign a variable for the unknown value.

Let b be the number of blue beads for the bracelet.

The number of red beads will be represented as b + 7.

Determine the expression for the total number of beads.

Then we can written it as,

=> b + (b +7)

=> 2b + 7.

Therefore, the total number of beads can be written as 2b + 7.

To know more about Expression here.

brainly.com/question/14083225

#SPJ4

3 0
2 years ago
The perimeter of a rectangle is 80 inches. The length is 4 inches longer than twice the width. What are the dimensions of the re
Ganezh [65]

Answer:

<h3>length = 28 cm</h3><h3>width = 12 cm</h3>

Step-by-step explanation:

Perimeter of a rectangle = 2l + 2w

where

l is the length

w is the width

From the question

Perimeter = 80cm

The length is 4 inches longer than twice the width is written as

l = 4 + 2w

Substitute this into the formula and solve for the width

That's

80 = 2( 4 + 2w) + 2w

80 = 8 + 4w + 2w

6w = 80 - 8

6w = 72

Divide both sides by 6

w = 12 cm

Substitute w = 12 cm into l = 4 + 2w

That's

l = 4 + 2(12)

l = 4 + 24

l = 28cm

Therefore

length = 28 cm

width = 12 cm

Hope this helps you

7 0
3 years ago
1) Which graph represents the equation y = 1/2x + 3<br> Plz help
kakasveta [241]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
Is 0.57 a terminating decimal or a repeating decimal
Mariulka [41]

Answer:

terminating decimal

Step-by-step explanation:

Any terminating decimal can be written in this way, as a fraction with the denominator a power of 10.

5 0
3 years ago
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