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Fed [463]
3 years ago
5

If A = James's present age, write an expression for his age seven years from now *

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0
A+7=f exactly what she said
Keith_Richards [23]3 years ago
5 0

Answer:

A +7= F

Step-by-step explanation:

A is his current age, and he gains, or adds seven years he will be F or his future age.

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Evaluate the expression -8x + 5 - 2x - 4 + 5x when x = 2 before and after simplifying.
Alex777 [14]

Answer:

Step-by-step explanation:

all we have to do is plug in 2 for x into the equation:

-8(2) + 5 -2(2) -4 + 5(2)

-16 + 5 -4 -4 + 10

-11 -8 + 10

-19 + 10

the answer is

-9

to simplify the equation we’ll combine like terms

-8x + 5 -2x -4 + 5x

-10x + 1 + 5x

-5x + 1

now we’ll plug in 2 for x

-5(2) + 1

-10 + 1

the answer is still

-9

5 0
3 years ago
Read 2 more answers
By rounding to 1 significant figure, estimate <br><br> 306.9 x 6.4
coldgirl [10]

Answer:2000

Step-by-step explanation:

mutiply

306.9 * 6.4

=1964.16

to one significant figure

=2000

8 0
3 years ago
The upper-left coordinates on a rectangle are (-1, 4) left parenthesis, minus, 1, comma, 4, right parenthesis, and the upper-rig
Zanzabum

Answer:

Kindly refer to the attached images for the answer.

Step-by-step explanation:

Upper left coordinates of a rectangle are (-1, 4).

Upper right coordinates of the rectangle are (3, 4).

Perimeter of the rectangle = 24 units

Let A(-1, 4) and B(3, 4).

First of all, let us find the distance between the coordinates A and B.

Distance formula can be used to find the distance.

<em>Distance formula:</em>

<em></em>D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}<em></em>

Here, we have the following values:

x_1 = -1 \\y_1 = 4\\x_2 = 3\\y_2 = 4

AB = \sqrt{(3-(-1))^2+(4-4)^2} = 4\ units

Perimeter = 2 (Length + Width)\\\Rightarrow 24 = 2 \times (AB + BC)\\\Rightarrow 24 = 2 \times (4 + BC)\\\Rightarrow BC = 8

When we will move from point B to C, we will move downwards on y axis for a distance of 8 units therefore value of x coordinate will be same.

Therefore coordinates of C (3, 4-8) i.e. C (3, -4)

When we will move from C to D, the x coordinate will decrease for 4 units.

D (3-4, -4) i.e. D (-1, -4)

Kindly refer to the attached images for the answer.

6 0
3 years ago
Read 2 more answers
Please help with this math problem! Will give brainliest! :)
tangare [24]

Answer:

9

Step-by-step explanation:

All triangles (3 sided polygons) have angles added up to 180, so we can do the following:

(7x-1) + (7x+8) + (5x+2) = 180° <em>- equation</em>

7x-1 + 7x+8 + 5x+2 = 180° <em>- "distribute"</em>

19x - 1 + 8 + 2 = 180°<em> - combine the x terms</em>

19x + 9 = 180° <em>- combine the integer terms</em>

19x = 171 <em>- subtract 9 form both sides</em>

x = 9 <em>- divide both sides by 19</em>

4 0
2 years ago
True or false: Outliers can cause data sets to be skewed.
Natali [406]
True - since the outlier is way off it will cause your average to mess up which is why we test multiple times to make sure we are more accurate with our numbers
4 0
2 years ago
Read 2 more answers
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