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3 years ago

QUICKEST ANSWER BRAINLIEST CORRECT AND A FOLLOWanswer the 3 questions

Mathematics

2 answers:

alexgriva [62]3 years ago

7 0

Answer:

1. the answer is No

2. A is the answer

3. A is the answer

Step-by-step explanation:

Verdich [7]3 years ago

5 0

Answer:

Step-by-step explanation:

1=no

the rest are pretty easy, all you do is plug in your (x.y)-->x+y=?

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The function h(t)=−16t2+7t+63 represents the height of a t-shirt launched from a t-shirt cannon after t seconds. a. Write an equ

Fittoniya [83]

Answer:

$(a)\ -16t^2 + 7t + 63=0$

$(b)\ t = 2.215$

Step-by-step explanation:

Given

$h(t) = -16t^2 + 7t + 63$

Solving (a): Equation when it hits the ground.

This means that $h(t) = 0$

So, we have:

$h(t) = -16t^2 + 7t + 63$

$-16t^2 + 7t + 63=0$

Solving (b): The value of t in (a)

$-16t^2 + 7t + 63=0$

Using quadratic formula, we have:

$t = \frac{-b \± \sqrt{b^2 - 4ac}}{2a}$

This gives:

$t = \frac{-7 \± \sqrt{7^2 - 4*-16*63}}{2*-16}$

$t = \frac{-7 \± \sqrt{49+ 4032}}{2*-16}$

$t = \frac{-7 \± \sqrt{4081}}{-32}$

$t = \frac{-7 \± 63.88}{-32}$

Split

$t = \frac{-7 + 63.88}{-32}; or\ t = \frac{-7 - 63.88}{-32}$

$t = \frac{56.88}{-32}; or\ t = \frac{-70.88}{-32}$

$t = -1.7775; or\ t = 2.215$

Time can't be negative; So:

$t = 2.215$

7 0

2 years ago

What is the upper quartile of the data represented in the following box-and-whisker plot?

Gala2k [10]

Answer: The upper quartile is 12.

In a box and whiskers plot, the point on the right edge of the box is called the upper quartile. In this case, that value is 12. It represents the median of the upper half of the set of data.

6 0

3 years ago

Solve for x 3x+8=35 can u plz plz plz plz plz

tamaranim1 [39]

Answer: x=9

Step-by-step explanation:

3x+8=35

Subtract 35-8=27

3x=27

27/3=9

x=9

7 0

2 years ago

Read 2 more answers

Bao is mixing flour and water to make dough. The graph shows how much water he uses for different amounts of flour.

Butoxors [25]

Answer:

0.33 liters of water Bao use per liter of flour.

3 liters of flour Bao use per liter of water

Step-by-step explanation:

Given the graph which pass through the coordinates (0,0) and (3,1)

∴ Equation of line passing through these points can be written as

$(y-y')=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x')$

⇒ $(y-0)=\frac{1-0}{3-0} (x-0)$

⇒ $y=\frac{1}{3}x$ ⇒ $3y=x$

Now, we have to find liters of water Bao use per liter of flour i.e if x=1 then we find the value of y which is 3y=x=1 ⇒ $y=\frac{1}{3} = 0.33 l$

Now, we have to find liters of flour Bao use per liter of water i.e if y=1 the we have to find the value of x which is x=3 litre

4 0

3 years ago

Diane constructed a figure made up of two angles that together would form a right angle. which two angles could be put together

BartSMP [9]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

QUICKEST ANSWER BRAINLIEST CORRECT AND A FOLLOWanswer the 3 questions ​

QUICKEST ANSWER BRAINLIEST CORRECT AND A FOLLOWanswer the 3 questions