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Dahasolnce [82]
3 years ago
5

Evaluate f(x)=4x+1 when x=−1, x=0, and x=3.

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0

Answer:

when

Step-by-step explanation:

Dahasolnce [82]3 years ago
3 0

Answer:

-3, 1, and 13

Step-by-step explanation:

just plug in the numbers to the variable ex: 4(-1)+1

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Find the values of x and y. PLEASEEE QILL GIVE BRAINLIEST
agasfer [191]

As parallel sides

\\ \rm\longmapsto 2x+90=180

\\ \rm\longmapsto 2x=90

\\ \rm\longmapsto x=90/2=45

Now

\\ \rm\longmapsto 2x+3y+6y+90=360

\\ \rm\longmapsto 9y+180=360

\\ \rm\longmapsto 9y=180

\\ \rm\longmapsto y=20

6 0
2 years ago
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What is the equation written in vertex form of a parabola with a vertex of (–1, 8) that passes through (1, 0)?
Archy [21]

Answer:

y = -2(x + 1)^2 + 8

Step-by-step explanation:

The equation of a parabola can be written in the form;

y = a(x-h)^2 + k

where a is the multiplier (h,k) is the vertex

so h = -1 and k = 8

Plug in these values

y = a(x + 1)^2 + 8

So to get the value of a, we use the point where the parabola passes through which is the point (1,0)

Simply substitute the values of x and y

0 = a(1 + 1)^2 + 8

0 = a(2)^2 + 8

-8 = 4a

a = -8/4

a = -2

So therefore the equation of the parabola is ;

y = -2(x + 1)^2 + 8

7 0
3 years ago
What is the answer please hurry this is to pass my class 10 points!!!
-BARSIC- [3]

Answer:

The answer is A I suppose

7 0
2 years ago
Which table correctly shows all the sample spaces for tossing a coin and rolling an even number on a six-sided number cube?
wlad13 [49]
Alright, so you have to have heads and tails, as well as 3 spots each for each even number. Therefore, we need heads with 2 4 6 as well as tails with 2 4 6  (the third one down in the first picture)
7 0
3 years ago
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If the angles of a triangle are (2y - 5)degrees, (y + 20)degrees, and (3y-5) degrees what are the values of the angles​
NNADVOKAT [17]

Answer:

<h3>\boxed{ \boxed{ \bold{ \sf{51.68  \: , \: 48.34 \:,  \: 80.02}}}}</h3>

Step-by-step explanation:

Let's solve:

As we know that the sum of angles of traingle adds to 180°

\sf{2y - 5 + y + 20 + 3y - 5 = 180}

Collect like terms

⇒\sf{6y - 5 + 20 - 5 = 180}

⇒\sf{6y   + 15 - 5 = 180}

⇒\sf{6y + 10 = 180}

Move constant to right hand side and change it's sign

⇒\sf{6y = 180 - 10}

Calculate the difference

⇒\sf{6y = 170}

Divide both sides of the equation by 6

⇒\sf{ \frac{6y}{6}  =  \frac{170}{6} }

Calculate

⇒\sf{y = 28.34}

Now, let's replace the value:

⇒\sf{2y - 5 = 2 \times 28.34 - 5 = 51.68}

⇒\sf{y + 20 = 28.34  + 20 = 48.34}

⇒\sf{3y - 5 = 3 \times 28.34 - 5 = 80.02}

Hope I helped!

Best regards!!

8 0
2 years ago
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