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insens350 [35]
3 years ago
8

Which expressions are equivalent to (5g+3g+4)x2

Mathematics
1 answer:
FrozenT [24]3 years ago
4 0
It’s A, cuz the 4*2 equals 8
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A woman walks 5 rounds along the border of a square field of area 49². Find the total distance she walks in m.​
Luba_88 [7]
You need to estimate the square root of 200 ft². Rewrite 200 as 2 x 100, then square root of (2*100) is:

10*sqrt(2). The sqrt(2) = 1.414, so the length of each side of the square will be 10*1.414 = 14.14 ft or about 14 ft.
4 0
2 years ago
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Solve the equation: 10 = -4 + x
Sonja [21]
10= -4 + x    x=14 because you do the opposite of the sign you see in this case its a plus sign so you subtract -4 from ten and since the 4 is a negative and your subtracting you would add 4 I know this probably didn't help it sounds really confusing but I have hope that it did :)
8 0
3 years ago
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Pls help and thank youuuuu
Evgen [1.6K]

Answer:

y=-2x+4

Step-by-step explanation:

The gradient = change in y / change in x

When the x value increases by 1, the y value decreases by 2 so -2 / 1 = -2

The y intercept is 4, so it is +4

3 0
3 years ago
I need help on this ! Asap
Gnoma [55]

Answer:

1. Given

2, Exterior sides on opposite rays

3. Definition of supplementary angles

4. If lines are ||, corresponding angles are equal

5. Substitution

Step-by-step explanation:

For the first one, it is given as shown in the problem. Also in the figure you can see that line s is parallel to line t.

2. ∠5 and ∠7 are adjacent, they share a common side. Their non-common side are rays that go in a direction opposite of each other. Also you can see that they form a straight line, which means that they are supplementary.

3. Supplementary angles simply put are angles that sum up to 180°. You know this for sure because of proof 2, specifically the part that they form a straight line. The measure of a straight line is 180°.

4. Corresponding angles are congruent. These are angles that have the same relative position when a line is intersected by parallel lines. You have other example in the figure like ∠2 and ∠6; ∠3 and ∠7.

5. This is substitution because ∠1 substituted ∠5 in this case. Since ∠1 is equal to ∠5, then it can substitute it in the equation given in step 3. This means that ∠1 and ∠7 are supplementary as well.

8 0
3 years ago
5. Find the slope of a line perpendicular to the graph of the given equation:
Helen [10]

Answer:

2/7

Step-by-step explanation:

Slope is the number in front of the x

3 0
3 years ago
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