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mestny [16]
3 years ago
13

Simplifying algebraic expressions 7d+d use d=9

Mathematics
1 answer:
Lostsunrise [7]3 years ago
5 0
Hey there Titachely1p09ewg,

Answer:

7d + d = 7 (9) + 9
           = 63 + 9
           = 72

Hope this helps :D

<em>~Natasha♥</em>
You might be interested in
1.688 × 10⁴ = write in standard format​
Neporo4naja [7]

Answer

16880

Step-by-step explanation:

10x10x10x10=10,000

1.688x10,000=16880

hope that helps

7 0
2 years ago
Read 2 more answers
WHAT IS 41SQUARED PLUS XSQUARED +213?
Bingel [31]

Answer:

1894+x^2

Step-by-step explanation:

1894+x^2

41 squared IS 1,681.

Adding 213 makes it 1894.

And you end up with the expression 1894+x^2

Hope this helps!

4 0
3 years ago
circle 0 shown below has a radius of 27 inches.find to the nearest tenth of a degree the measure of the angle ,x, that forms are
Irina18 [472]

Answer: 29.7 degrees

Step-by-step explanation:

Good, I can see the diagram now!

First calculate circumference of the circle.

C=2πr

C=2π(27)

C=54π in ==> 360 degrees

54π/14=12.11757

360/12.11757=

29.709=29.7 degrees

8 0
2 years ago
Mary measured the heights of two different plants every day. Plant A was 1 inch tall when
seropon [69]

The heights of plant A and plant B will be equal on the day 8.

<h3>How to find the heights of the trees?</h3>

The height of the tree can be found as follows:

The equation for plant A can be described as follows:

y = 1 + 0.5x

where

x = number of days

y = height

The equation for plant B can be described as follows:

y = 3 + 0.25x

Therefore, for the height to be equal

1 + 0.5x =  3 + 0.25x

1 - 3 = 0.25x  - 0.5x

-2 = -0.25x

x = 2 / 0.25

x = 8 days

learn more on height here: brainly.com/question/16959984

#SPJ1

7 0
1 year ago
Can someone answer this?
ad-work [718]

Answer:

Step-by-step explanation:

6x-1+3x+5x+3+4x+8+5x+5=360 degree(sum of exterior angle of a pentagon is 360 degree)

23x+15=360

23x=360-15

x=345/23

x=15

therefore the value of x is 15 degree.

8 0
3 years ago
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