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tresset_1 [31]
3 years ago
13

What temperature is ten degrees higher than minus seven?

Mathematics
2 answers:
sineoko [7]3 years ago
7 0
It would be 3 degrees
Fantom [35]3 years ago
3 0
Should be 3 degrees. 
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Lisa is 6 centimeters taller than her friend Ian. Ian is 10 centimeters taller than Jim. Every month, their heights increase by
Temka [501]

Lan is 146 centimeters tall now.

<u><em>Explanation</em></u>

Let, Lan's current height is h centimeters

As Lisa is 6 centimeters taller than Lan and Lan is 10 centimeters taller than Jim, so Lisa's current height = (h+6) centimeters and Jim's current height = (h-10) centimeters.

Every month, their heights increase by 2 centimeters.

So, after 5 months.....

Lan's height = h+(2*5)=(h+10) centimeters,

Lisa's height = (h+6)+(2*5)= (h+16) centimeters and

Jim's height = (h-10)+(2*5)= h centimeters

Given that, the sum of Ian's and Jim's heights will be 140 centimeters more than Lisa's height in 5 months. So the equation will be....

(h+10)+h= (h+16)+140\\ \\ 2h+10=h+156\\ \\ 2h-h=156-10\\ \\ h=146

So, the current height of Lan is 146 centimeters.

7 0
3 years ago
Find the slope and the y-intercept of the line.<br> 3x+y=2<br> Write your answers in simplest form.
julia-pushkina [17]

Answer:

slope is -3

y intercept is 2

Step-by-step explanation:

3x+y=2 [subtract 3x from both sides]

y=-3x+2

slope is -3

y intercept is 2

3 0
1 year ago
What is the approximate length of the missing side of a
ANEK [815]

Answer:

The approximate length of the missing side is of 5.57 cm.

Step-by-step explanation:

Pythagorean Theorem:

In a right triangle with sides a and b and hypotenuse c, the Pythagorean theorem states that:

a^2 + b^2 = c^2

In this question:

a = 15, c = 16

We want to find b. Then

a^2 + b^2 = c^2

15^2 + b^2 = 16^2

b^2 = 256 - 225

b^2 = 31

b = \sqrt{31}

b = 5.57

The approximate length of the missing side is of 5.57 cm.

8 0
3 years ago
Solve the linear equations 4x-3y=16 and x+y=-3
alexgriva [62]

4x - 3y = 16

x + y = -3

Subtract y from both sides of the 2nd equation.

x = -3 - y

Now that we have a value of x, we can plug it into the first equation to solve for y.

4(-3 - y) - 3y = 16

Distributive property.

-12 - 4y - 3y = 16

Combine like terms.

-12 - 7y = 16

Add 12 to both sides.

-7y = 28

Divide both sides by -7.

y = -4

The value of y is -4, and now we can solve for the value of x.

Plug this value into either equation.

x + (-4) = -3

Add 4 to both sides.

x = 1

The value of x is 1.


<h3>x = 1</h3><h3>y = -4</h3>
7 0
3 years ago
How would I solve for this radius?
Daniel [21]
The radius of a circleis part of the circumference formula: C = 2 pi r.
So we rearrange the formula: r = c/2 pi.
Now we have to figure out the circumference. If the outside of the circle is 12 cm for 17degrees, then17 degrees x what is 360 degrees? 360 divided by 17 is 21.2. So the 12 cm should be multiplied by 21.2, to give 254.1cm. This is our circumference.
Now we do r = 254/2 pi.
                   r = 40.46cm.
8 0
4 years ago
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