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3 years ago

Pls say the value pls

Mathematics

2 answers:

Tpy6a [65]3 years ago

5 0

X is 80 degrees. The triangle is an equilateral which means the other side would be 50 degrees.
Total sum of angles in a triangle is 180 degrees hence 50 +50 +x = 180

X=80

N76 [4]3 years ago

3 0

Answer:

x=80° ...................

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(1.9 x 105)+(5.42 x 10-5) scientific notation

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How do I rewrite 7x (y-2) in distributive property?

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7xy-8x because you distribute the x even if there is another variable inside the parentheses

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Solve for d, reduce any fractions to lowest terms, help please it’s 4:15, I just wanna go to bed :(

Digiron [165]

<h3>Solution:</h3>

-38d - 57 = -19d + 76

or, -38d + 19d = 76 + 57

or, -19d = 133

or, d = 133/-19 = -7

<h2>Answer: d = -7</h2>

<h3>To Check:</h3>

By putting the value of d, we get

-38(-7) - 57 ≥ -19(-7) + 76

or, 266 - 57 ≥ 133 + 76

or, 209 ≥ 209

Hence, Verified.

8 0

3 years ago

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Someone please help me I’m really struggling <br> I will give brainliest

viktelen [127]

Answer:

SA ≈ 1134 cm²

General Formulas and Concepts:

Pi π = 3.14...

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Geometry</u>

Radius: r = d/2
Surface Area of a Sphere: SA = 4πr²

Step-by-step explanation:

<u>Step 1: Define</u>

d = 19 cm

Substitute [R]: r = 19 cm/2
Divide: r = 9.5 cm
Substitute [SAS]: SA = 4π(9.5 cm)²
Exponents: SA = 4π(90.25 cm²)
Multiply: SA = 361π cm²
Multiply: SA = 1134.11 cm²
Round: SA ≈ 1134 cm²

8 0

3 years ago

The table of values shown below represents a linear function. Which of these points could also be an ordered pair in the table,

maks197457 [2]

Answer:

(18,27) , because the rate of change of the function is $\frac{4}{3}$

Step-by-step explanation:

step 1

Find the slope of the linear equation

Looking at the table

we have the points (0,3) and (3,7)

The slope is equal to

$m=(7-3)/(3-0)=\frac{4}{3}$

step 2

Find the equation of the line in slope intercept form

$y=mx+b$

where

m is the slope

b is the y-intercept

we have

$m=\frac{4}{3}$

$b=3$ -----> point (0,3) is the y-intercept

substitute

$y=\frac{4}{3}x+3$

The rate of change of the linear equation is equal to $\frac{4}{3}$

Remember that

If a ordered pair is a solution of the linear equation, then the ordered pair must satisfy the linear equation

<u><em>Verify </em></u>

1) point (18,27)

substitute the value of x and the value of y in the linear equation

$27=\frac{4}{3}(18)+3$

$27=24+3$

$27=27$ -----> is true

The ordered pair is a solution of the linear equation

therefore

The point (18,27) could also be an ordered pair in the table

2) point (27,18)

substitute the value of x and the value of y in the linear equation

$18=\frac{4}{3}(27)+3$

$18=36+3$

$18 \neq 39$ -----> is not true

The ordered pair is not a solution of the linear equation

therefore

The point (27,18) could not be an ordered pair in the table

3 0

3 years ago

Read 2 more answers

Pls say the value pls​

Pls say the value pls