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4 years ago

What is 8 and 39/40 in decimal form

Mathematics

2 answers:

katen-ka-za [31]4 years ago

8 0

8 and 39/40 is 8.975 in decimal form

alexandr1967 [171]4 years ago

5 0

The answer is 8.975 vdsvfdgfbv g

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Find the measure of Side b. Round to the nearest whole number. b = __ in.

Brrunno [24]

Cos = adjacent over hypotenuse

cos33 = b/170

170cos33 = b

b = 142.574 inches

5 0

3 years ago

I need help with geometry. Find x.

I am Lyosha [343]

Answer:

Part 9) $x=5$

Part 10) $x=-9$

Step-by-step explanation:

we know that

The Midpoint Theorem states that: The segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side

Part 9) we know that

Point Q is the midpoint segment XY (QY=QX)

Point R is the midpoint segment XW (RW=RX)

Applying the Midpoint Theorem

RQ is parallel to WY

and

$RQ=\frac{1}{2}WY$

we have

$RQ=2x-3\\WY=x+9$

substitute

$2x-3=\frac{1}{2}(x+9)$

solve for x

$4x-6=(x+9)$

$4x-x=9+6$

$3x=15$

$x=5$

Part 10) we know that

Point B is the midpoint segment TS (BS=BT)

Point C is the midpoint segment RS (CS=CR)

Applying the Midpoint Theorem

BC is parallel to TR

and

$BC=\frac{1}{2}TR$

we have

$BC=x+19\\TR=x+29$

substitute

$x+19=\frac{1}{2}(x+29)$

solve for x

$2x+38=(x+29)$

$2x-x=29-38$

$x=-9$

5 0

3 years ago

The expression −50x+100 represents the balance, in dollars, of a bank account after x months.

kondor19780726 [428]

Basically get two slopes -50(1)+100 will get you 1,50 (1 is x and 50 is y since its the answer)
-50(0)+100 (0,100) Y₂-Y₁/X₂-X₁ 50-100/1-0
Rate of change per month = -$50

7 0

3 years ago

Read 2 more answers

A family is trying to pick from different shades of paint for their living room. They have narrowed it down to 3 different blues

Olin [163]

To find the denominator:
3+6=9
There are 3 shades of blues so our fraction is 3/9

To get the percent you multiply 3/9×100/1=300/9
300÷9=33.33%
33.33 rounded to the nearest percent is 33%.

Your answer is 33%.

4 0

4 years ago

Read 2 more answers

Which statement is the most precise and correct definition of parallel lines?

Andreyy89

Answer:

doyour work and stop looking up answers but the answer is Two lines are parallel if they are at a constant distance apart

Step-by-step explanation:

6 0

3 years ago