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rewona [7]
2 years ago
13

Write and solve a word problem that can be modeled by difference -4-10

Mathematics
1 answer:
serious [3.7K]2 years ago
5 0
According to the weather station, the temperature was –4 degrees Celsius last night. And today, it is now –10 degrees Celsius.

What was the change in temperature over night?

Answer: 6 degrees Celsius

Solution: 

= -4 – (-10)
= -4 + 10
= 6 degrees Celsius
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(3 pt) point v is graphed on a number line at –6. point u is 8 units away from point v on the number line. what could be the coo
lukranit [14]
Point v is graphed on a number line at -6...point u is 8 units away from v....notice that it doesn't say which way....so it can go either way....so we need to find 8 units away from -6 in both directions

-6 + 8 = 2
-6 - 8 = -14

so point u can be either at 2 or at -14...ur answers are A and D
3 0
3 years ago
What is the simplified form of squared root 140?
kompoz [17]
Its 2 square root of 35
6 0
3 years ago
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Is this a right triangle?
I am Lyosha [343]

Answer:

Yes.

Step-by-step explanation:

A right triangle, by definition, must have at a 90° angle, typically denoted by a square. In the given picture, there is a square within the triangle where an angle is, denoting that it is a right angle. ∴ by definition given above, this is a right triangle.

~

5 0
2 years ago
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The area of a triangular block is 81 square inches. If the base of the triangle is twice the height, how long are the base and t
Gre4nikov [31]

Answer:

18 inches and 9 inches

Step-by-step explanation:

Given, The base of a triangle is twice of the height.

Area = 81 sq inches

Let, Base (b) = 2x

Height (h) = x

Area of the triangle = \frac{1}{2}bh

\frac{1}{2}bh = 81

or, x^{2} = 8

Base = 2×9 inches = 18 inches

Height = 9 inches

5 0
2 years ago
If 10,500 is decomposed in a compound interest account paying 2.99% interest annually, how much will be in the account after 5 y
Irina-Kira [14]
1) To work out the result after a percentage is applied to a number, you work out 'the percentage number/100' and write the answer of this calculation down.                         2) You THEN multiply this calculated number (called the 'percentage multiplier') by your orginal number (called the 'principal').                                                                  3) The result of this calculation gives you the answer of what happens when your orginal number is multiplied by a certain percentage.                                                    4) Thus, for a 2.99% increase work out: " (100+2.99)/100 "
    The answer is 1.029 - SO THIS is your percentage multiplier.                                   5) Your earn 2.99% interest each year for 5 years. Thus you multiply your principal (10,500) by the calculated percentage multiplier (1.029), BUT you you multiply the principal by this multiplier 5 TIMES!                                                                              6) So, the calulation is:10,500 × (1.029^5).                                                                  7) This EQUALS $12,113.403198) Rounded to the nearest cent, the final amount in the account AFTER 5  YEARS = $12,113.40                                                                  8) THE ANSWER IS THUS: $12,113.40
8 0
3 years ago
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