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mart [117]
3 years ago
8

How do I solve this 9x-(x-24)=2x-(-5+x)

Mathematics
1 answer:
Viefleur [7K]3 years ago
7 0
Combine like terms
8x+24=x+5
subtract x from both sides

8x+24=x+5
-x -x
7x+24=5
subtract 24 from both sides
7x+24=5
-24 -24
7x = -19
divide 7 from both sides
7x = -19
7x/7 = -19/7

x= -19/7

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Which of the following numbers are greater than or equal to 4/7
Alexandra [31]
B and C mark brainly!
8 0
3 years ago
Pls help i’m very confused
zhuklara [117]

Answer:

m<EBD = 130 degrees

Step-by-step explanation:

We can say that Line EC is bisected by Line AD at point B.  The angle CBD = 50 degrees is a supplement of the bisected line EC.  With this in mind we can say:

EBD + CBD = 180

And we can solve for EBD:

EBD + CBD = 180

EBD + 50 = 180

EBD = 130

So the measure of angle EBD is 130 degrees.

Cheers.

5 0
3 years ago
Read 2 more answers
2 PUNTS
xz_007 [3.2K]

Answer:

x^2  +  y^2  = 4

Step-by-step explanation:

The center-radius form (formally called the standard form) of a circle is

(x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius.

So if we replace (h,k) with (0,0) since the center is the origin and r with 2 since the radius is 2 we get:

(x-0)^2+(y-0)^2=2^2

Let's simplify:

x^2  +  y^2   = 4

8 0
3 years ago
Please help!<br><br> what are the angle measures of a and s?
Keith_Richards [23]

Answer:

Q=91, S = 153

Step-by-step explanation:

QR and TS are parallel (see the arrows in the middle?). Means that angles T and Q add up to 180 - they are conjugate angles. Thus Q has to be 89 (since 89+91=180).
Same difference for R and S: they add up to 180 and since one is 27, the other has to be 153.

3 0
2 years ago
Read 2 more answers
Jan walks 2 miles at a constant rate of 3 miles per hour and then runs 1 mile at a constant rate of 8 miles per hour.
DedPeter [7]

Answer:

6/3

Step-by-step explanation:

our average speed can be calculated in a couple different ways

is this case lets use a weighted average of the two speeds to find the average speed.

we know that that we were only going half as fast on the way back so it would take us twice as long

so our average speed would be (1/3) * 8 + (2/3) * 4

8/3 + 8/3 = 16/3  mph

another way to look at it is

to say we covered a total distance of 4 miles (2 out and 2 back)

the first 2 miles took us 1/4 of an hour since we were going at a rate of the 8 mph

the next 2 miles took us 1/2 of an hour since we were going at a rate of 4 mph

so we covered a distance of 4 miles in a time of 3/4 of an hour

distance = speed * time

speed = distance/time

speed = 4 /(3/4)

speed = 16/3  so either way we come up with the same answer

3 0
2 years ago
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