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zzz [600]
3 years ago
12

10 POINTS!!

Mathematics
2 answers:
bagirrra123 [75]3 years ago
6 0

Answer: I believe that you wrote it wrong because options a and d are the same thing. The answer is -4x + 2 = 9


Step-by-step explanation:

The word "sum" is used to indicate addition, and "is" is used for equals, so it would be -4x + 2 = 9.

Effectus [21]3 years ago
5 0
-4x+2=9 is the answer. Hope this helps.
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Extra points and top BRAINIEST!!Lorie correctly determines that for the triangles below, the statement and the statement both de
Allushta [10]

The rest of the question is the attached figure

========================================

solution:

========

As show in the attached figure


∠M = ∠R = 54.4°


∠N = ∠T = 71.2°


∠O = 180° - (∠M + ∠N) = 180° - (54.4°+71.2°) = 54.4°


∠S = 180° - (∠R + ∠T) = 180° - (54.4°+71.2°) = 54.4°


∠O = ∠S = 36°


∴ Δ MNO is similar to Δ RTS


So, the correct statement:


The triangles each have two given angle measures and one unknown angle measure.



3 0
3 years ago
A crew will arrive in one week and begin filming a city for a movie. The mayor is desperate to clean the city streets before fil
Reptile [31]

Step-by-step explanation:

1 week = 7 days of 24 hours each = 7×24 = 168 hours.

the first team can do 1/700 of the total work per hour.

the second team can do 1/600 if the total work per hour.

if they work together, then 1/700 + 1/600 of the total work can be done per hour.

to add these 2 fractions we need to bring them to the same denominator. and that would be 4200 (LCM of 700 and 600).

1/700 + 1/600 = 6/4200 + 7/4200 = 13/4200

so, together, they can do 13/4200 if the total job in 1 hour.

how many hours will they need together to finish the job ?

well, how often does 13 fit into 4200 (as 4200/4200 is the complete job) ?

4200 / 13 = 323.0769231... hours

so, it will still take a little bit over 323 hours to clean all the streets.

but there are only 168 hours until the film crew starts.

so, no, there is not enough time.

4 0
2 years ago
you deposit 300 in an account that pays 5 1/2% annual interest compounded cnyinuously find the balance at the end of 5 years
algol [13]
First find the multiplier: 5.5% + 1 = 1.0505.

Then we do amount x (multiplier) to the power of how many years.

300 x (1.0505)^5

The answer is <span>383.79696707. 

We round this to 2dp, making it £393.80

REMEMBER UNITS!!!

Hope this helps xox :)</span>
7 0
3 years ago
Last month, Korey’s Comics had $4,350 in net sales with a gross profit of $3,320 and a net income of $1,850. Calculate Korey’s g
Ksenya-84 [330]

Answer:

actually its A... i know cause i got it WRONG

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
2. Solve for b in the linear equation<br> 6b - 24 = 3(5b - 2)
Step2247 [10]

Answer: b = −2

Step-by-step explanation:

6 0
3 years ago
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