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Licemer1 [7]
3 years ago
6

Write an expression that shows how to use the halving and doubling strategy to find 28x50

Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0
Double of 50 is 100, so 28*100=2800, now half of the answer is 2800/2=1400
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Complete he statement below. Then use a number line to find the sum 5 + ( -4 )
skad [1K]

Answer:

The statement is 6 in the negative direction

5 + (-4) = 1

Step-by-step explanation:

7 0
3 years ago
Please help im confused on the last question on my warm up!
geniusboy [140]

Answer:

Choice B: Only (-1,-5)

Step-by-step explanation:

With this one, first the equation needs to be reduced into point-slope format.

y+5=2(x+1)

Distributive Prop.

y+5=2x+2

Carry over the 5 to the opposite side.

y=2x-3

Now, with the point slope form, it makes it easier to plug in the question choices to find which if any are correct.

Choice A: X is 5; Y is 10

y=2x-3

y=2(5)-3

y=10-3

y=7

This does not give a y value of 10, so it is false.

Choice B: X is -1; Y is -5

y=2(x)-3

y=2(-1)-3

y= -2-3

y= -5

This does give a y value of -5, so it is true. Choices C and D are therefore false as well, since only Choice B works.

3 0
3 years ago
Which sequence of transformations will result in similar, but not congruent, figures?
Rudik [331]

D.dilation changes the size is your answer. Hope this helps!

8 0
3 years ago
Read 2 more answers
Please Help! <br> I'm Desperate.
KATRIN_1 [288]
My teacher always told me if you dont know the answer choose c.
6 0
3 years ago
Which of the following expressions has a value of 26.48?
gulaghasi [49]

Answer:

26.48=\dfrac{662}{25}

Step-by-step explanation:

The given expression is 26.48. We need to write the equivalent expression for it. There are two numbers after decimal. It means that we can divide 2648 by 100 i.e.

26.48=\dfrac{2648}{100}

We know that, 2648 = 662 × 4 and 100 = 25 × 4

\dfrac{2648}{100}=\dfrac{662\times 4}{25\times 4}\\\\=\dfrac{662}{25}

Hence, 26.48=\dfrac{662}{25} is the equivalent expression.

3 0
3 years ago
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