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ad-work [718]
3 years ago
15

Which expression is equivalent to (6x-9x) - (2x - 3)?

Mathematics
2 answers:
NikAS [45]3 years ago
7 0

Answer:

6x^2 -9x  -2x-3

6x^2 -11x +3

Step-by-step explanation:

sergij07 [2.7K]3 years ago
5 0

Answer: -5x+3 hope this helps

<h2 />

Step-by-step explanation:

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7-3x = -x+1<br> Simplify this equation
frozen [14]

Answer:

x=11

Hope this helps :)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Subtract 4.32 x 10^6 from 7.57 x 10^6. Show your work. Write your answer in index notation.
Schach [20]

Answer:

3.25 × 10^6

Step-by-step explanation:

7.57×10^6 - 4.32 × 10^6

(7.57 - 4.32) × 10^6

<u>3.25 × 10^6</u>

8 0
3 years ago
Two streets bounding your triangular lot make an angle of 74∘. The lengths of the two sides of the lot on these streets are 126
ycow [4]

Answer: a) Yes, there is enough fance

b) 58.1° and 47.9°

c) The city will not approve, because 1/3 of the area is just 2220.5ft²

Step-by-step explanation:

a) using law of cosines: x is the side we do not know.

x² = 126² + 110² - 2.126.110.cos74°

x² = 20335.3

x = 142.6 ft

So 150 > 142.6, there is enough fance

b) using law of sine:

sin 74/ 142.6 = sinα/126 = sinβ/110

sin 74/ 142.6 = sinα/126

0.006741 = sinα/126

sinα = 0.849

α = sin⁻¹(0.849)

α = 58.1°

sin 74/ 142.6 = sinβ/110

sin 74/ 142.6 = sinβ/110

0.006741 = sinβ/110

sinβ = 0.741

β = sin⁻¹(0.741)

β = 47.9°

Checking: 74+58.1+47.9 = 180° ok

c) Using Heron A² = p(p-a)(p-b)(p-c)

p = a+b+c/2

p=126+110+142.6/2

p=189.3

A² = 189.3(189.3-126)(189.3-110)(189.3-142.6)

A = 6661.5 ft²

1/3 A = 2220.5

So 2300 >  2220.5. The area you want to build is bigger than the area available.

The city will not approve

7 0
3 years ago
Two squares are drawn. the smaller square has an area of 256 square meters. the areas of the two squares have a ratio of 4:9.wha
alisha [4.7K]
<span>A scale factor is the ratio of two similar geometric figures of their corresponding sides. The scale factor is calculated by locating the corresponding sides on each figure. We do as follows:

256/x = 4/9
x = 576 m^2

side length = 24 m

Hope this answers the question. Have a nice day. </span>
3 0
3 years ago
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PLEASE HELP QUICK WILL MARK BRAINLIEST!!!!!!!!!
Helga [31]

Answer:s>_18

Step-by-step explanation:

8 0
3 years ago
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