MATHEMATICS MIDDLE SCHOOL

Help?
Solve 2x - 8 < 7

Answers

Answer 1

Answer:

The solution of the equation is x < 15/2.

What is an equation?

An equation is an expression that show the relationship between two or more numbers and variables.

A mathematical equation is a statement with two equal sides and an equal sign in between.

One solution was found as

x < 15/2

The equation by subtracting to the right of the greater than a sign from both sides of the inequality :

2x-8-(7)<0

Divide both sides by 2

x-(15/2) < 0

Solve Basic Inequality here

2.000 x - 15.000 < 0 x < 15/2

One solution was found as x < 15/2

Learn more about equations here;

brainly.com/question/25180086

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Answer 2

Answer: One solution was found : x < 15/2

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

2*x-8-(7)<0

Divide both sides by 2

      x-(15/2) < 0

Solve Basic Inequality : 1.2    Add 15/2 to both sides

Inequality plot for

2.000 x - 15.000 < 0 x < 15/2
One solution was found :                   x < 15/2

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A student solved this problem and said the answer was 2 1 1/2 miles. Colin rides his bike 10 1/2 miles every morning and 12 1/4 miles every afternoon. On Monday, he rode his usual distance in the morning, but in the afternoon he rode 1 1/2 fewer miles. How many miles did Colin ride on Monday?

Is the student's answer reasonable?

A.
Yes, the answer is reasonable.

B.
No, the answer is not reasonable. It should be about 10 miles.

C.
No, the answer is not reasonable. It should be about 15 miles.

D.
No, the answer is not reasonable. It should be about 25 miles.

Answers

so do (21/2+49/4)-3/2=You get 21 1/4 miles
Since 21 1/4 is close to 21 1/2, this answer is reasonable. So A is the answer

PLEASE HELP ASAP!Rosemary is cutting 3 wooden sticks to build part of a kite frame. The part she is building must be a right triangle. Which choice below could be the lengths, in inches, of the sticks rosemary cut?

A. 6, 8, 10.
B. 2, 5, 10.
C. 5, 6, 7.
D. 2, 3, 5.

Answers

Using the Pythagorean Theorem, it is found that the lengths could be given by:

A. 6, 8, 10.

What is the Pythagorean Theorem?

The Pythagorean Theorem relates the length of the legs $l_1$ and $l_2$ of a right triangle with the length of the hypotenuse h, according to the following equation:

$h^2 = l_1^2 + l_2^2$

Hence, in item a:

$h^2 = 6^2 + 8^2$

$h^2 = 100$

$h = 10$

So it is a right triangle.

Item b:

$h^2 = 2^2 + 5^2$

$h^2 = 29$

$h = √(29) \neq 100$

It is not a right triangle.

Item c:

$h^2 = 5^2 + 6^2$

$h^2 = 61$

$h = √(61) \neq 7$

It is not a right triangle.

Item d:

$h^2 = 2^2 + 3^2$

$h^2 = 13$

$h = √(13) \neq 5$

It is not a right triangle.

Hence option a is correct.

More can be learned about the Pythagorean Theorem at brainly.com/question/654982

A is probably the correct answer

Number 30 pls
I need help ASAP

Answers

Answer:

y - intercept = - 18

Step-by-step explanation:

To find the y-intercept of the line

y + 4 = - 4 ( x + 3.5 ) ,

We can transpose the equation into the y = mx + b formula where b = y - intercept.

y + 4 = - 4 ( x + 3.5 )

y + 4 = ( - 4x ) + ( - 14 )

y + 4 = - 4x - 14

y = - 4x - 14 - 4

y = - 4x - 18

b = - 18

Therefore:

y - intercept = - 18

[(25-11)+(15-9)] divided by 5

Answers

Well, first of all, you have to calculate what is in the bracket first. so;
[14] + [6]
That is;
14+6=20
Since it is divided by 5, that will be 20/5
So the answer is 20/5=4
Hope i helped. Have a nice day.

pemdas so parenthasees first
25-11=14

and 15-9=6
now we have
[(14)+(6)]/5
parenthasees
add 14+6=20
[20]/5
4 the asnwer is 4

How many 1/4 cup go n to 3 1/4

Answers

3 1/4 divided by 1/4
13/4*4/1
52/4
13
13 times 1/4 can go into 3 1/4

lets represent 1/4 as a D.

1D=1/4
2D=2/4
3D=3/4
4D=4/4 (1)
5D=1 1/4
6D=1 2/4
7D=1 3/4
8D=1 4/4 (2)
9D=2 1/4
10D=2 2/4
11D=2 3/4
12D=2 4/4 (3)
13D=3 1/4

the answer is 13.

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