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Anna [14]
3 years ago
15

What is 4×7×7×10- 5 in exponential form

Mathematics
1 answer:
liraira [26]3 years ago
7 0
The answer is 977 seconds squared   
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Three times one number added to five times another number is 54. The second number is two less than the first. Use a system of e
worty [1.4K]

Answer:

8 and 6

Step-by-step explanation:

If you use x for the first number, and y for the second, you get equations of 3x+5y=54 and x-2=y.

You can substitute the second equation into the first one to solve it. This gives 3x+5(x-2)=54.

The brackets can be expanded to 3x+5x-10=54. Collecting like terms makes it 8x-10=54.

Next, we add 10 to both sides. This gives 8x=64.

From there, we isolate the x by dividing both sides by 8, giving x=8.

To work out the second number, we can sub 8 for x in either equation (I'm using the second one as it's simpler).

This comes to y=8-2, therefore y=6.

**This content is simultaneous equations, which you may wish to revise. I'm always happy to help!

3 0
3 years ago
How is 0.9999 Equal to 1 again?
DochEvi [55]
It’s not exactly equal to one, but in many cases in math they ask for a rounded answer.
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3 years ago
Find the equation of the parabola with its focus at (6,2) and its directrix y = 0. Question 17 options: A) y = –1∕4(x – 6)2 + 1
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8 0
3 years ago
5y-10 what would be y
alexandr402 [8]
If 5y-10=0 it would equal 2. Add ten to both sides and then divide 5 to both sides which leaves you with y=2
6 0
3 years ago
Read 2 more answers
Please Help.<br> Write the equation of linear Inequalities to represent each graph.
DerKrebs [107]

Green Line:

This is a horizontal line at x = 0, so it would be:

x ? 0      

Since the shaded area is going to the left of 0 (this means x is negative):

x ≤ 0


Blue Line:

The shaded area is below the line, so:

y ≤ mx + b

When x = 0, y is -5.

y ≤ mx - 5

From each point, you go up 3 units, and to the right 4 units, so the slope is \frac{3}{4}.


y\leq \frac{3}{4}x-5

7 0
3 years ago
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