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3 years ago

HELP ME PLEASEEEEE!!!!!!!

Mathematics

2 answers:

max2010maxim [7]3 years ago

7 0

Answer:

17°

Step-by-step explanation:

Since the whole angle is a right angle, which is determined by the small square in the corner, that means it is 90 degrees. Subtract the given amount, which is 73 degrees, from 90 to get X.

90-73=17

x=17 degrees

RideAnS [48]3 years ago

5 0

Answer : 17

Subtract 90 and 73

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Which choice correctly shows rounding to the hundredths place?

TEA [102]

<span>The hundredth place is the one with two places to the right of the decimal place. For example in the number 123.4579, five is in the hundredths place. Therefore, the answer 3.88 + 4.82 + 1.73 correctly shows rounding to the hundredths place. All of the numbers being added together only have two numbers after the decimal. By laws of math, when they are all added together, there will only be two number after the decimal.</span>

8 0

3 years ago

Read 2 more answers

This graph represents a quadratic function. What is the function’s equation written in factored form and in vertex form?

creativ13 [48]

Answer:

Part a) The function’s equation written in vertex form is

$f(x)=2(x-2)^2-8$

Part b) The function’s equation written in factored form is equal to

$f(x)=2x(x-4)$

Step-by-step explanation:

Part a) What is the function’s equation written in vertex form?

we know that

The equation of a vertical parabola written in vertex form is equal to

$f(x)=a(x-h)^2+k$

where

a is a coefficient

(h,k) is the vertex

Looking at the graph

The vertex is the point (2,-8)

substitute

$f(x)=a(x-2)^2-8$

Find the value of the coefficient a

take one point from the graph

(0,0)

substitute in the equation

$0=a(0-2)^2-8\\0=4a-8\\4a=8\\a=2$

therefore

The function’s equation written in vertex form is

$f(x)=2(x-2)^2-8$

Part b) What is the function’s equation written in factored form?

we know that

The equation of a vertical parabola written in factored form is equal to

$f(x)=a(x-x_1)(x-x_2)$

where

a is a coefficient

x_1 and x_2 are the zeros or x-intercepts of the function

Remember that the x-intercept is the value of x when the value of the function is equal to zero

Looking at the graph

The zeros or x-intercepts of the function are

x=0 and x=4

$f(x)=a(x-0)(x-4)$

$f(x)=ax(x-4)$

Find the value of the coefficient a

take one point from the graph

(2,-8)

substitute

$-8=a(2)(2-4)\\-8=-4a\\a=2$

therefore

The function’s equation written in factored form is equal to

$f(x)=2x(x-4)$

4 0

3 years ago

Please help i’m crying and throwing up

dsp73

Answer:

C. 90

Step-by-step explanation:

mark it brainliest if it helps you ❤️

3 0

2 years ago

Can someone help me

algol [13]

Answer:

A)310.18g/mol

B)84.9947g/mol

C)108.01 g/mol

d)159.7g /mole(Approx)

e)Coc12 g/mol

f) A1(OH)3 g/mol

g)83.9949 g/mol

h)197.9 g/mol

i)18.01529 g/mol

Step-by-step explanation:

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7 0

3 years ago

(3x2 – 5x + 6) + (2x2 + 7x - 9)

tatuchka [14]

Answer:

Step-by-step explanation:

3x^2 + 2x^2 - 5x + 7x + 6 - 9

5x^2 + 2x - 3

6 0

3 years ago