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Artyom0805 [142]
3 years ago
6

+8+-9+-2 on a number line

Mathematics
1 answer:
Zarrin [17]3 years ago
3 0
Hi there! I can help you! 8 + (-9) + (-2). When adding negative integers, you have to subtract. 8 - 9 is -1 and -1 - 2 is -3. You would have to start at 8 and go to the left 11 times to land on -3. The sum to the problem is -3.
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Three U.S coins add to $1 If one of them is not half a dollar what is the smallest value coin?
Svet_ta [14]
The smallest value is $0.25 (a quarter) because you can use two quarters and a half dollar. Only one of them can't be a half dollar, but the other two can be.
4 0
3 years ago
Estimate 43% of 117. (2 points)<br> Show your work to
finlep [7]

Answer:

Let's say 50

Step-by-step explanation:

40% of 100 is 40

50% of 117 is about 59

so number should be a somewhere in between.

8 0
2 years ago
Please help me im horrable at math
Masja [62]

1.) First plug in the values for m and A:

2555 = 139(4) + b

--> 2555 = 556 + b

Isolate b: 2555 - 556 = 556 - 556 + b

b = 1999

So your answer is the first option.

2.) Admission costs $5.25, so even if you don't go on any rides, you will still have to pay $5.25. This means that for this problem, 5.25 will be the b value. If each ride costs $2.50, then this means it is $2.50x for the cost of x rides. The total cost will then be C = 5.25 + 2.50x.

7 0
3 years ago
Could you help me find X,
lisov135 [29]

when running a line, in a right-triangle, from the 90° angle perpendicular to its opposite side, we will end up with three similar triangles, one Small, one Medium and a containing Large one.  Check the picture below.

\cfrac{4}{x}~~ = ~~\cfrac{x}{9}\implies 36=x^2\implies \sqrt{36}=x\implies 6=x

3 0
2 years ago
Can someone help me pls!!
nordsb [41]

Answer:

a=1

Step-by-step explanation:

A parallelogram is a quadrilateral with two pairs of parallel sides. Opposite sides of a parallelogram are equal.

Therefore, set any two opposite sides equal to each other to solve for a:

a+3=2a+2,\\\\3=a+2,\\a=\boxed{1}

7 0
3 years ago
Read 2 more answers
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