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Vesna [10]
2 years ago
8

The sum of 423 and 65 is

Mathematics
2 answers:
Akimi4 [234]2 years ago
8 0

Answer:

488

Step-by-step explanation:

creativ13 [48]2 years ago
3 0

Answer:

488

Step-by-step explanation:

hope this helps

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A _______________________ is a comparison of two measurements in which the denominator has a value of one unit.
Galina-37 [17]
I think the answer is unit rate.
8 0
3 years ago
Which expressions are equivalent to the one below? Check all that apply.
Aleksandr [31]

Answer:

D

Step-by-step explanation:

(5·5)*x = 25*x =25^x

the rest are wrong

5 0
3 years ago
Y=5(x-2)^2 +4<br> Is the parabola opening up or down?<br> What is the axis of symmetry?
lara31 [8.8K]
See attachment for your answer: 

5 0
3 years ago
Gumballs cost $0.50 each, and jawbreakers cost $0.30 each. Bob has $3.00 to spend on candy.
KIM [24]

Answer:

0.5x+0.3y >= 3

sorry I don't know how to make the less than or equal to sign

Step-by-step explanation:

he can buy X amount of gumballs if he buys Y amount of jawbreakers and that will be less than or equal to $3

to graph, you must plug the number 0 into the X spot and solve.

0.5(0) +0.3y >= 3

next plug in for Y

0.5x+0.3(0) >= 3

plot these two points on the graph and draw a line through them

3 0
3 years ago
Help please. show work
shtirl [24]
Sine law to find angle R

\displaystyle \frac{\sin R}{122}= \frac{\sin 64}{187.5} \\ \\&#10;\sin R =  \frac{122\sin 64}{187.5} \\ \\&#10;R = \sin^{-1} \left[ \frac{122\sin 64}{187.5} \right] \\  \\&#10;R \approx 35.7899447211

All angles in triangle add to 180 so we can find angle P

P = 180 - R - Q
P = 180 - 35.7899447211 - 64
P = 80.2100552789

sine law with angle P to find length of RQ

\displaystyle&#10;\frac{RQ}{\sin P} = \frac{187.5}{\sin 64} \\ \\&#10;RQ = \frac{187.5\sin P}{\sin 64}  \\ \\&#10;RQ = \frac{187.5\sin 80.2100552789}{\sin 64}  \\ \\&#10;RQ = 205.57

or use cosine law

RQ = \sqrt{187.5^2 + 122^2 - 2(187.5)(122) \cos80.2100552789} \\ RQ \approx 205.57

either way the answer is 205.57 feet
4 0
3 years ago
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