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andreyandreev [35.5K]
2 years ago
14

This is my last question for the day please help

Mathematics
2 answers:
gulaghasi [49]2 years ago
6 0

Answer:

B. Billie's solution is right

vladimir2022 [97]2 years ago
5 0

Answer:

B: billie's solution is incorrect since she didnt  

subtract 36 from both sides

Step-by-step explanation:

on the second step, she added 36 on the right.

This is incorrect because when changing one

side on an equation you must change the side

in the same way.

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Using the side lengths determine whether the triangle is acute obtuse or right 4 8 5
Triss [41]

Answer: acute

Step-by-step explanation:

6 0
3 years ago
What is the final amount if 893 is decreased by 2% followed by a further 7% decrease? Give your answer rounded to 2 DP.
Ber [7]

Answer:

813.88

Step-by-step explanation:

893 × (1 - 2%) × (1 - 7%)

893 × 0.98 × 0.93

= 813.8802

Rounded to two decimal places will give 813.88.

8 0
3 years ago
Find the value of x <br> A) 3<br> B) 14<br> C) 5<br> D) 2
vesna_86 [32]

Answer:

C) 5

Step-by-step explanation:

The measure of angle TSU is 75°. (180° - 105° because it is a flat angle)

The sum of all the angles of a triangle is 180° as well.

You can write an equation to solve for x.

12x + 9x + 75 = 180

Isolate x.

12x + 9x = 180 - 75

12x + 9x = 105

Add the 12 and the 9.

21x = 105

Find what x is.

x = 105 ÷ 21

x = 5

4 0
2 years ago
Find acceleration of a cheetah running at 0.5 and sect 21 and second three seconds describe the acceleration of the animal.
xenn [34]

Answer:

Initial velocity (u)=o m/s

Final velocity (v)=27m/s

Time taken to attain velocity is(t)=5m/s

As we know v=u+at

Substitute above values in the given equation

27=0+a(5)

27/5=a

a=5.4 m/s^2

Step-by-step explanation:

4 0
2 years ago
the rectangle shown has a perimeter of 70cm and the given area. It’s length is 8 more than twice it’s width. Write and solve a s
vfiekz [6]

Dimensions of rectangle are:

Length = 26 cm

Width = 9 cm

Step-by-step explanation:

Perimeter of rectangle = 70 cm

Width= x

Length = 2x+8

We need to find the value of length and width of rectangle.

The formula used is:

Periemter\,\,of\,\,rectangle=2(Length+Width)

Putting values:

Periemter\,\,of\,\,rectangle=2(Length+Width)\\70=2(2x+8+x)\\70=2(3x+8)\\70=6x+16\\70-16=6x\\54=6x\\x=54/6\\x=9

So, Value of Width = x = 9 cm

Value of Length = 2x+8 = 2(9)+8 = 18+8=26 cm

So Dimensions of rectangle are:

Length = 26 cm

Width = 9 cm

Keywords: Perimeter of rectangle

Learn more about Perimeter of rectangle at:

  • brainly.com/question/6594923
  • brainly.com/question/1822996
  • brainly.com/question/2860697

#learnwithBrainly

6 0
3 years ago
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