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Andrei [34K]
2 years ago
9

Find the value of x. 42° (5x + 2)

Mathematics
1 answer:
kifflom [539]2 years ago
5 0

Answer:

x=8

Step-by-step explanation:

assuming this is what you mean:

(5x+2)=42

try to

isolate the variable by subtracting 2 from both sides

5x=40

continue to isolate the variable

divide by 5 on both sides

5x/5=40/5

x=8

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Need help with Geometry Work.
cricket20 [7]

Answer:

FG = 16

Step-by-step explanation:

we can state that ΔEFG ≅ ΔEHG due to the Angle-Angle-Side postulate

this means that FG = GH

we can use this equation to solve for 'x':

x + 11 = 3x + 1

11 = 2x + 1

10 = 2x

5 = x

FG = x + 11  or  5 + 11, which is 16

8 0
3 years ago
Question 3
zlopas [31]

Answer:

Area = 19.05 feet squared

Step-by-step explanation:

By applying sine rule in ΔABC,

sin(∠CAB) = \frac{\text{Opposite side }}{\text{Hypotenuse}}

sin(60°) = \frac{BC}{AC}

\frac{\sqrt{3}}{2}=\frac{BC}{4}

BC = 2√3

Area of a parallelogram is given by the formula,

Area = Base × Height

        = 5.5 × 2√3

        = 11√3

        = 19.05 ft²

Therefore, answer is Area = 19.05 ft squared.

3 0
3 years ago
The graph of the function f(x) is shown.
Elza [17]

Answer:

x = 2

x = -1.5

Step-by-step explanation:

The graph is of function f(x) = x²

Therefore, to find where the function intersects with y = 0.5x + 3,

equal the functions and solve for x:

⇒ x² = 0.5x + 3

⇒ x² - 0.5x - 3 = 0

Multiply both sides by 2:

⇒ 2x² - x - 6 = 0

Factor:

⇒ 2x² - 4x + 3x - 6 = 0

⇒ 2x(x - 2) + 3(x - 2) = 0

⇒ (x - 2)(2x + 3) = 0

Therefore:

(x - 2) = 0  ⇒  x = 2

(2x + 3) = 0  ⇒  x = -1.5

8 0
2 years ago
What's the answer for K+4<11
faust18 [17]
Subtract  4  from each side of the inequality,
and the answer will jump out at you.
5 0
3 years ago
Read 2 more answers
A class conducts a survey of 1,000 students the survey reveals that 20% of the students speak Spanish. How many students speak S
Misha Larkins [42]

Answer:

200 students

Step-by-step explanation:

From the question;

  • Total number of students = 1,000
  • % percentage of students that speak Spanish= 20%

Required to determine the number of students that speak Spanish;

We are going to use;

  • Number of students that speak Spanish = % of student that speak Spanish × Total students

  =\frac{20}{100}(1,000) \\=0.2 (1000)\\= 200

Therefore, the number of students that speak Spanish is 200

7 0
3 years ago
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