3 years ago

HELP MEE HURYyyYYYYYYYY

Mathematics

1 answer:

Delicious77 [7]3 years ago

4 0

Answer:

45(1+2)

Step-by-step explanation:

Looking at you options, you can see that 45 is your Greatest common factor (GCF)

45 X 1 = 45

45 X 2 =90

45(1+2)

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The flooring cost is $52 per square meter. It is only sold in whole numbers of square meters. How much will it cost Tina to buy

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Step-by-step explanation:

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3 years ago

Find the average rate of change over the given interval <br> f(x) = 2^x , [3,5]

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Step-by-step explanation:

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2 years ago

A figure is shown with parallel lines a and b. What is the measure, in degrees, of ∠r?

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Read 2 more answers

Law of cosines <br><br> HELP MES

Lorico [155]

Answer:

70.52 degrees

Step-by-step explanation:

To find the angles, we must first find the lengths of each side of the triangle. Adding up the respective radii, we can see that

XY = 5+4 = 9 CM

XZ = 6+5 = 11 CM

ZY = 4+6 = 10 CM

Now we can apply the cosine rule

$C\:=\:\sqrt{A^2+B^2-2ABcosx}$

We need to rearrange the rule to solve for x, our missing angle

$x\:=\:cos^{-1}\left(\frac{a^2+b^2-c^2}{2ab}\right)$

solving for our unknown angle:

$x\:=\:cos^{-1}\left(\frac{9^2+10^2-11^2}{2\cdot 9\cdot 10}\right)$

$x\:=\:70.52^{\circ }$

Therefore angle YXZ is 70.52 degrees

7 0

3 years ago

The cost of a taxi ride includes an initial charge of $2.00. If a 5km ride cost $6.00 and 10km ride cost $10.Oo, determine the c

romanna [79]

Answer:

5km costs $4

if you take the intial charge of $2, you're paying $4 per 5km

hence 10km= 2 *5km= 2*$4=$8+initial charge $2= $10

15Km= 3*5km= 3*$4= $12 + intial charge $2 = $14

Step-by-step explanation:

4 0

3 years ago