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Rina8888 [55]
3 years ago
8

What model can be used to solve x + 2 = 47

Mathematics
1 answer:
slega [8]3 years ago
6 0

47-2=45                                      

jxjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

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Reil [10]

Answer:

No, No, No, Yes, Yes, Yes

3 0
3 years ago
The length of side RP is approximately 42 cm.
meriva

Answer:

Part 1) The measure of angle P is 115°

Part 2) The measure of side RQ is 68.3\ cm

Step-by-step explanation:

step 1

Find the measure of angle P

we know that

The sum of the interior angles in a triangle must be equal to 180 degrees

∠R+∠P+∠Q=180°

substitute the values

33°+∠P+32°=180°

∠P=180°-65°=115°

step 2

Find the measure of side RQ

Applying the law of cosines

RQ^{2}=RP^{2}+PQ^{2}-2(RP)(PQ)cos(P)

substitute the values

RQ^{2}=42^{2}+39^{2}-2(42)(39)cos(115\°)

RQ^{2}=4,669.50

RQ=68.3\ cm

6 0
3 years ago
Five times a number minus twice another number equals twenty-two. The sum of the numbers is three. Let the first number = x and
Tems11 [23]

Answer:

0A + B = 3AB

10 / B = 3 - (1/A)

10/B is between 2 and 3.

B = 5, A = 1

Step-by-step explanation:

you just need to do this but i dont know

5 0
3 years ago
An advertising company charges $40 per half - page advertisement and $75 per full-page advertisement. Michael has a budget of $8
4vir4ik [10]
A) let h = number of half page ads and f = number of full page ads
40h + 75f = 800. Assuming budget is fully spent
h + f = 13

B) 75h + 75f = 975 (multiplying the second equation by 75)
35h = 175 (subtracting the first equation)
h = 5
Michael purchases 5 half page adverts

C) 5 + f = 13 (Substituting for h in second equation)
f = 8
Michael purchases 8 full page adverts
3 0
4 years ago
ok i really need help with this... liz had 7/8 of a puzzle finished. What percent did she have finished?
ivolga24 [154]
Answer: 87.5%
Have a good day :D
7 0
3 years ago
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