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wariber [46]
2 years ago
10

Write an expression that shows how to use the halving and doubling strategy to find 28 x 50

Mathematics
1 answer:
Anna71 [15]2 years ago
4 0
Multiply the values then either divide by 2 or multiply by 2
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I need this to be specific and quick! 35 points!
g100num [7]

D) these two figures are similar they don't look similar at first because the X'Z'Y' is more upwards. But they are congruent meaning they are similar or exactly the same almost. This basically tells me that I need to use translation.

E) I can use reflection to get XYZ into X'Y'Z' by reflecting it across the x-axis. I could also use translation and move it up 6 and then move it to the right.

C) The last one I could use is rotation and move it around around 45* or something close to the the other one.

7 0
3 years ago
In the diagram below, ab and bc are tangent to o. what is the measure of adc
Andrej [43]

Answer:

Step-by-step explanation: 252 apex

4 0
3 years ago
Read 2 more answers
Past experience has indicated that the breaking strength of yarn used in manufacturing drapery material is normally distributed.
OLEGan [10]

Answer: the value of population standard deviation is 3.87

Step-by-step explanation:

From the information given,

Number of sample, n = 8

For a confidence level of 95%, the corresponding z value is 1.96. This is determined from the normal distribution table.

We will apply the formula

Confidence interval

= mean ± z ×standard deviation/√n

Since confidence interval = 2.694,

It becomes

2.694 = 1.96 × standard deviation/√8

Dividing both sides of the equation by 1.96, it becomes

1.37 = standard deviation/√8

Standard deviation = 1.37 × √8

Standard deviation = 3.87

3 0
3 years ago
Explain how finding 4 times 384 can help you find 4 times 5,384
Lubov Fominskaja [6]

5384=5000+384

4 * 5384 = 4(5000+384) = 4 * 5000 + 4 * 384

4 * 5000 = 20000

20000 + 4 * 384

So to find 5384 * 4, you add 20000 to 4*384. Less calculations

8 0
3 years ago
Use the point-slope form from the previous question and fill-in the following table of values.
matrenka [14]

Answer:

Step-by-step explanation:

Slope of line through (0,-1) and (1,2) = (-1 - 2)/(0 - 1) = 3

Point-slope equation for line of slope 3 that passes through (0,-1):

y+1 = 3(x-0)

When x = 2:

y+1 = 3(2-0)

y = 3·2 - 1 = 5

When x = 3:

y+1 = 3(3-0)

y = 3·3-1 = 8

8 0
3 years ago
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