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Brut [27]
3 years ago
13

Solve for x. (5x - 24) (8x + 9)

Mathematics
1 answer:
Stella [2.4K]3 years ago
7 0

Answer:

40x^{2} - 147x - 216

Step-by-step explanation:

(5x - 24) (8x + 9)

First start with multiplying 5x to 8x and 9

40x^{2} +45x

then multiply -24 by 8x and 9

        -192 x  -216

40x^{2} +45x

        -192 x  -216

+

________________

40x^{2} - 147x - 216

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tại teamart,1 ly trà sữa có giá a đồng và 1 ly kem có giá là b đồng.Hãy viết biểu thức đại số biểu thị số tiền bạn Cúc mua 3 ly
Lesechka [4]

Answer:

3 a + 4 b

Step-by-step explanation:

Biểu thức đại số biểu thị bạn Cúc mua  3  ly trà sữa và  4  ly kem là:

3 a + 4 b

8 0
3 years ago
Determine the slope of the line that passes through the points (5,7) and (-1,9).
oee [108]

Hey!

------------------------------------------------

Slope Formula: m = \frac{y2 - y1}{x2 - x1}

------------------------------------------------

Solution:

m = \frac{y2 - y1}{x2 - x1} \\m = \frac{9 - 7}{-1 - 5}\\m = \frac{2}{-6} \\m = \frac{1}{-3}

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Answer:

\large\boxed{-\frac{1}{3} }

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Hope This Helped! Good Luck!

4 0
3 years ago
Twenty-five percent of the students had forgotten the year of the Declaration of Independence. If 57 students had not forgotten,
Phantasy [73]

Answer:

76,

Step-by-step explanation:

If you divide 57 by 3, you get 19. If you times 19 by 4 that is the total number of students there were in all.

4 0
3 years ago
This diagram shows a scale drawing for small amphitheater if the scale factor is 1 cm= 10m, what is the area of the actual amphi
tester [92]
A =(b1+b2)h/2
actual b1 =10cm*10m/1cm =100m
actual b2 = 6cm*10m/1 cm = 60m
height = 5 cm*10m/1cm = 50m

A=(100+60)*50/2 = 160*50/2 =80*50= 4,000 m²

Answer : <span>C.=4,000 m²</span>
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If a bus travels at 48MPH how long will it take to be able to travel 60 miles
GrogVix [38]
It will take 1.25 hours
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