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3 years ago

Use the drop-down menus to complete the statements.

Mathematics

2 answers:

sveta [45]3 years ago

8 0

Answer TPQ and 59

its all good :)

Brilliant_brown [7]3 years ago

5 0

Answer:

Step-by-step explanation:

RU=59 degrees

angle = TPQ

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Can you please help me on 9 and 10?

Mashcka [7]

Answer:

Step-by-step explanation:

$\bold{Q9.}\\\\\dfrac{3}{14}=3:14\approx0.214=0.214\cdot100\%=21.4\%\\\\\bold{A.\ NOT}\ 7\%0.214$

$\bold{Q10.}\\\\\text{The scientific notation:}\ a\times10^k,\ \text{where}\ 1\leq a$

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no Luke is not correct.

Step-by-step explanation:

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AD is the perpendicular bisector of BC.

masha68 [24]

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3 years ago

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Bill mixes candy costing 45cents per pound with candy costing 65cents a pound. A 7-pound box of the mix costs $3.65. How much of

Len [333]

Answer:

Bill should use 4.5 pounds of the candy costing 45 cents and 2.5 pounds of the candy costing 65 cents.

Step-by-step explanation:

With the information provided, you can say that the sum of the pounds of each type of candy is equal to 7, which can be expressed as:

x+y=7

Also, the statement indicates the 7 pound box costs $3.65 and you can say that the sum of the results of multiplying the price of each candy for the number of pounds is equal to $3.65, which is:

0.45x+0.65y=3.65

You have the following equations:

x+y=7 (1)

0.45x+0.65y=3.65 (2)

Now, you have to solve for x in (1):

x=7-y (3)

Then, you have to replace (3) in (2):

0.45(7-y)+0.65y=3.65

3.15-0.45y+0.65y=3.65

0.20y=0.50

y=0.50/0.20

y=2.5

Finally, you can replace the value of y in (3) to find x:

x=7-y

x=7-2.5

x=4.5

According to this, the answer is that Bill should use 4.5 pounds of the candy costing 45 cents and 2.5 pounds of the candy costing 65 cents.

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3 years ago

Which equation in point-slope form describes the line through points (4, –4) and (1, 2)?

IRINA_888 [86]

Step-by-step explanation:

Given points (4 , -4) and ( 1, 2)

First calculating slope (m) 

=( y2 - y1) /( x2 -x1) 

= ( 2 + 4) / (1-4)

= 6/ -3

= -2

Now

The equation in point slope form

y - y1 = m ( x - x1) 

y + 4 = -2 ( x - 4)

y + 4 = -2x + 8

2x + y - 8 + 4 = 0

2x + y -4 = 0 which is the required equation 

6 0

3 years ago