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3 years ago

Please help, thanks if you do!

Mathematics

2 answers:

bixtya [17]3 years ago

7 0

Answer:

Step-by-step explanation:

it's given that x=1

y=-(1)+7

y=-1+7

y=6

12345 [234]3 years ago

3 0

Answer:

y = 6

Step-by-step explanation:

Given (1, y ) is on the graph of y = - x + 7

Substitute x = 1 into the equation and evaluate for y

y = - 1 + 7 = 6

Then (1, 6 ) lies on the graph

You might be interested in

A) The y-intercept of the line with the largest slope

lord [1]

Answer:

a) the largest y-intercept is 1

b) 13.5

c) y=x-3

d) 8

Step-by-step explanation:

the question was worded very strangely and I will answer the way I precieved it.

for question d, I simply considered the question to be asking what is X when y is 17 and since the equation of that line is 2x-1

5 0

3 years ago

A teenager who is 5 feet tall throws an object into the air. The quadratic function LaTeX: f\left(x\right)=-16x^2+64x+5f ( x ) =

tia_tia [17]

Answer:

At approximately x = 0.08 and x = 3.92.

Step-by-step explanation:

The height of the ball is modeled by the function:

$f(x)=-16x^2+64x+5$

Where f(x) is the height after x seconds.

We want to determine the time(s) when the ball is 10 feet in the air.

Therefore, we will set the function equal to 10 and solve for x:

$10=-16x^2+64x+5$

Subtracting 10 from both sides:

$-16x^2+64x-5=0$

For simplicity, divide both sides by -1:

$16x^2-64x+5=0$

We will use the quadratic formula. In this case a = 16, b = -64, and c = 5. Therefore:

$\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Substitute:

$\displaystyle x=\frac{-(-64)\pm\sqrt{(-64)^2-4(16)(5)}}{2(16)}$

Evaluate:

$\displaystyle x=\frac{64\pm\sqrt{3776}}{32}$

Simplify the square root:

$\sqrt{3776}=\sqrt{64\cdot 59}=8\sqrt{59}$

Therefore:

$\displaystyle x=\frac{64\pm8\sqrt{59}}{32}$

Simplify:

$\displaystyle x=\frac{8\pm\sqrt{59}}{4}$

Approximate:

$\displaystyle x=\frac{8+\sqrt{59}}{4}\approx 3.92\text{ and } x=\frac{8-\sqrt{59}}{4}\approx0.08$

Therefore, the ball will reach a height of 10 feet at approximately x = 0.08 and x = 3.92.

7 0

2 years ago

Find the area and the circumference of a circle with diameter 9 yards using the value 3.14 for pi

Ray Of Light [21]

Area of circle = pi r^, (r)radius is half the diameter so 9÷2=4.5 so in this scenario it would be 3.14×4.5^
3.14×4.5×4.5=63.6

circumference of circle= diameter×pi (3.14)
so 9×3.14=28.3

5 0

3 years ago

Answer this question <br> what is 300 x 72

Anika [276]

Answer:

21,600

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Pls answer asap!<br> Nonsense - report<br> Good - brainliest

iren [92.7K]

The solution is

a) 1.412

b) 0.662

What is the place value chart?

A place value chart is a table that is used to determine the value of each digit in a number based on its numerical position. We place the given number in the place value chart to examine the place value of each digit in order to precisely identify the worth of distinct digits in a number.

Given data ,

Let the number be A = 4.236 / 3

So , the number A = 1.412

So , in order to place the number in place value chart

The digit 1 is in ones place

The digit 4 is in tenths place

The digit 1 is in hundredths place

The digit 2 is in thousandths place

Let the number be B = 1.324 / 2

So , the number is B = 0.662

So , in order to place the number in place value chart

The digit 0 is in ones place

The digit 6 is in tenths place

The digit 6 is in hundredths place

The digit 2 is in thousandths place

Hence , the place value chart of numbers 1.412 and 0.662 are solved

To learn more about place value chart click :

brainly.com/question/10759386

#SPJ1

6 0

1 year ago