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lianna [129]
3 years ago
9

Reggie lost 3 spaceships in level 3 of a video game. He list 30 points for each spaceship. When he completed level 3, he earned

a bound of 200 points. By how much did his score change?
Mathematics
1 answer:
kobusy [5.1K]3 years ago
5 0
His score changed by 110 points.
Explanation: 3*30=90 & 200-90=110 points

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Two tanks hold a total of 55 gallons of a toxic solvent. One tank holds 4 gallons more than twice the amount in the other. How m
Serhud [2]

Step-by-step explanation:

If x is the volume of the first tank, and y is the volume of the second tank, then:

x + y = 55

x = 2y + 4

Solve the system of equations using either substitution or elimination.  Using substitution:

2y + 4 + y = 55

3y + 4 = 55

3y = 51

y = 17

Solve for x using either equation.

x + 17 = 55

x = 38

The first tank holds 38 gallons, and the second tank holds 17 gallons.

8 0
3 years ago
Read 2 more answers
What is 21/2 as a mixed number?
Daniel [21]
Since a fraction is a form of division, you do 21/2=10 and 1/2.
3 0
3 years ago
Read 2 more answers
3. Find the difference.<br> a. 82-(-14)<br> b. -18- (-55)<br> C. -17-44<br> d. 70- (-101)
n200080 [17]

Answer:

A. -68

B. 37

C. -61

D. 171

Step-by-step explanation:

Rule for A, B, D: 2 negatives is the same as addition

(how I did C: add them together then add the negative)

8 0
3 years ago
A point has no length, no width, and no height.<br> True or false?
vitfil [10]

Answer:

A point has no length or width or thickness. ... A (straight) line has length but no width or thickness. A line is understood to extend indefinitely to both sides.

A point in geometry is a location. It has no size i.e. no width, no length and no depth. A point is shown by a dot. A line is defined as a line of points that extends infinitely in two directions.

True.

3 0
3 years ago
BRAINLIESSSTTTT ASAP!!!!!
Yakvenalex [24]

Answer:

D. Corresponding.

Step-by-step explanation:

<u>Interior angles</u> are always on the inside of a set of lines, an example being that if the answer had been interior angles, the top orange line would most likely move just below the straight line it is resting upon and turn so that it would look something like the first picture attached. The picture attached shows a. alternate interior. They can be considered alternate due to the fact that they are on two different sides of that diagonal line.

<u>Exterior angles</u> would be where they are placed in the drawing you provided now, except alternate exterior angles would be on alternating sides of that significant diagonal line. A picture is attached and shows what b. alternate exterior might look like.

<u>Vertical angles</u> appear on opposing sides. This one is hard to word, but I will attach a picture if it allows me to. You see in your picture where the top orange line is resting? Jump across that line. Jump one down in that little acute angle place that is still touching the top horizontal line. This is where you would have had to place your bottom orange angle to make it vertical.

<u>Corresponding angles</u> are just like shown in the question you were given. With corresponding angles, they are always on the same side of the diagonal lines splitting the sides, yet one will seem to rest on the interior and the other will rest on the exterior so that they both look exactly the same curve wise. I would provide a chart online since this is not really one to draw since you already have, but I do not want this answer taken down for plagiarism. Just look up corresponding angles online and it should show you what I mean.

5 0
3 years ago
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