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Svet_ta [14]
3 years ago
13

Which phrase correctly represents the algebraic expression for 22-n?

Mathematics
1 answer:
Harrizon [31]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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What is the domain of the set {(-3,5),(2,0),(7,-5)}?
mel-nik [20]
D{-3,2,7} hope this helps!
3 0
3 years ago
Carol is ordering bricks for two large construction jobs at the same location. The first job needs 500 bricks every day for 9 da
sergey [27]

Answer:

10,800

Step-by-step explanation:

500 X 9 = 4,500

700 X 9 = 6,300

4,500 + 6,300 = 10,800

The total number of bricks Carol needs for both jobs is 10,800.

4 0
2 years ago
In triangle ABC, what is m angle C
Degger [83]

Answer:

83.5 degrees

Step-by-step explanation:

first, find x:

x+5x-13+4x=180

10x=193

x=19.3

Then, substitute that value for c:

5*19.3-13

=83.5 degrees

4 0
2 years ago
Please help!!!!!!!!!!
pogonyaev

Answer:

By hypotenuse - side test (HL) the two triangles are congruent.

Step-by-step explanation:

In ∆ABC and ∆DCB

i) angleABC = angleDCB.....(each 90°)

ii) BC = BC .....( common side)

iii) AC = DB.....(given)

therefore by hypo-side test ∆ABC congruent ∆DCB

5 0
3 years ago
Read 2 more answers
Free fall reaches 216km per hour. What is rate in meters per second.? How many meters fall during 20 seconds free fall?
lakkis [162]

Given,

Rate of free fall = 216 km/h

Solution,

km/h to m/s is converted as follows :

216\ \dfrac{km}{h}=216\times \dfrac{1000\ m}{3600\ s}\\\\=60\ m/s

So, the rate of fall is 60 m/s.

If t = 20 s

Assume, initial velocity = 0

It will move under the action of gravity.

Using equation of motion,

h=ut+\dfrac{1}{2}gt^2\\\\h=0+\dfrac{1}{2}\times 10\times 20^2\\\\h=2000\ m

Hence, this is all for the solution.

4 0
3 years ago
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