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ziro4ka [17]
4 years ago
8

!!!URGENT!!!

Mathematics
1 answer:
KIM [24]4 years ago
8 0
The train from Grand City is travelling in 50 miles per hour

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Please help :)<br><br> If X +9 equals 13, what is the value of X?
harina [27]

Solution:

x+9=13

then,

13-9=4

so the value of x is 4

6 0
4 years ago
Read 2 more answers
A piece of brass contains 1.66 grams of copper and 0.34 gram of
drek231 [11]

Answer:

2.00 grams

Step-by-step explanation:

1.66 + 0.34 = 2.00

2.00 grams

3 0
3 years ago
Qt + a = -1 <br><br> when q = 3 and t = 4
Pachacha [2.7K]

Answer:

a=-13

Step-by-step explanation:

We can use substitution to find the value of a:

qt+a=-1

3(4)+a=-1

12+a=-1

a=-13

Hope this helps :)

5 0
3 years ago
A square acre of land is 4,840 square yards. The length of one side of the square is between which of the following?
maks197457 [2]
Hi there!

If we know the area is a square, we can use the formula for the area of a square to figure out what one side would be between. Knowing the value allows us to determine what it would be between. In this case, it is between 69 and 70.

WORK:
squareroot(4840) = 69.6

ANSWER:
Option B - 69 yd and 70 yd
6 0
4 years ago
A line has a slope of 0 and passes through the point (9,9) what is its equation in slope-intercept form?
andreyandreev [35.5K]

Step-by-step explanation:

The equation of the line with a slope of 0 is y=c, where c is a constant.

As the line passesvthrough a pt with a y coordinate of 9, the equation is y=9.

4 0
3 years ago
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