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IgorC [24]
3 years ago
13

X^2 -9 divided by x+3

Mathematics
1 answer:
Tema [17]3 years ago
5 0

Answer:

x-3

Step-by-step explanation:

x²-9÷x+3=x-3

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A small black cloth bag holds two red counters, two green counters, two
pentagon [3]

Answer:

1/14

Step-by-step explanation:

P(red, then black) = \frac{2}{8} · \frac{2}{7} = \frac{4}{56} = \frac{1}{14} (simplifed form)

7 0
3 years ago
(15 points) Which expression has a value of 5 x 10^-3
velikii [3]

Answer:

Yellow is the answer

Step-by-step explanation:

6 0
2 years ago
How many triangles can be constructed with angles measuring 60°, 60°, and 40°?
aleksandrvk [35]

Answer:

None

Step-by-step explanation:

Because the 3 angles do not add up to 180 degrees.

6 0
3 years ago
Given: AB ∥ DC
RSB [31]

Answer:

A=1,720.16\ units^2

Step-by-step explanation:

we know that

The area of the trapezoid is equal to

A=\frac{1}{2}(DC+AB)DE

step 1

Find the measure of angle DAE

m∠ADC+m∠DAE=180° -----> by consecutive interior angles

we have

m∠ADC = 134°

substitute

134°+m∠DAE=180°

m∠DAE=180°-134°=46°

step 2

In the right triangle ADE

Find the length side AE

cos(∠DAE)=AE/AD

AE=cos(46\°)(40)\\AE=27.79\ units

step 3

In the right triangle ADE

Find the length side DE

sin(∠DAE)=DE/AD

DE=sin(46\°)(40)\\DE=28.77\ units

step 4

Find the area of ABCD

A=\frac{1}{2}(DC+AB)DE

we have

DC=32\ units\\AB=DC+2(AE)=32+2(27.79)=87.58\ units\\DE=28.77\ units

substitute

A=\frac{1}{2}(32+87.58)28.77

A=1,720.16\ units^2

5 0
3 years ago
Mateo jogs for 3 3/4 miles on Saturday and 4 2/5 miles on Sunday. What is the total distance, in miles, that Mateo jogged in the
vesna_86 [32]

Answer:

Mateo jogged 8 3/20 miles in the past 2 days.

Step-by-step explanation:

Given:-

Distance on Saturday = 3 3/4

Distance on Sunday = 4 2/5

Total distance = 3 3/4 + 4 2/5

                       = 15/4 + 22/5

                       = LCM of deniminators (20)

                       = 75/20 + 88/20

                       = (75 + 88)/20

                      =  163/20

                      = 8 3/20

6 0
2 years ago
Read 2 more answers
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