3 years ago

write a sequence of transformation that maps quadrilateral ABCD onto quadrilateral ABCD in the picture below please help

Mathematics

1 answer:

djverab [1.8K]3 years ago

4 0

It would be a translation and a dilation. I'm sorry if I'm wrong and i can't explain how i know

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a store is giving away $10 coupons to every 7th person to enter the store and a $25 coupon to every 18th person too emter the st

almond37 [142]

7,14,21,28,35,42,49,56,63,70,77,84,91,98,105,112,119,126
18,36,54,72,90,108,126

So the first person to get both of them is the 126th person

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3 years ago

3a+2b=193<br><br> Find a and b

galina1969 [7]

Hope this made sense

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2 years ago

Converting a fraction to decimal

r-ruslan [8.4K]

Answer:

All of them? Pls reply if so!

Step-by-step explanation:

To convert a fraction to a decimal just the divide the bottom into the top.

To convert a decimal into a fraction just put the decimal over 1 or divide the decimal by preference of tenths, hundredths, or thousandth place.

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3 years ago

A teacher claims that the proportion of students expected to pass an exam is greater than 80%. To test this claim, the teacher a

erica [24]

Answer:

z=-1.591

Step-by-step explanation:

Null Hypotheses,

$H_0 : p=0.8\\H_a: p>0.80$

So we use z-test for one population proportion (right-tailed test)

According to this informaton, we defined that

$\alpha=0.05$

$z_c=1.64$ (critical value)

So our Rejection region is $R={z:z>1.64}$

$z=\frac{\bar{p}-p_0}{\sqrt{p_0(1-p_0)/n}} = \frac{0.755-0.8}{\sqrt{0.8(1-0.8)/200}}=-1.591$

Not rejection.

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2 years ago

Solve for m: 18d − 2m + 9k < 5k + 10

snow_tiger [21]

$18d-2m+9k$ < $5k+10$

$18d-2m$ < $-4k +10$

$-2m$ < $-4k +10 -18d$

$m$ > $\frac{-4k+10-18d}{-2}$ (flipped the sign because we're dividing by a negative)

$m$ > $2k+5+9d$

4 0

2 years ago

Read 2 more answers