2 years ago

Evaluate the expression for p = –1. –50p2 − 10p + 28 =

Mathematics

2 answers:

mars1129 [50]2 years ago

6 0

Answer:

-12

Step-by-step explanation:

$-50(-1)^2 -10(-1) + 28$
$-50(1) + 10 + 28$
$-50 + 38$
$-12$

Therefore, the answer is -12.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

LekaFEV [45]2 years ago

3 0

For p2 do you mean p multied by 2 or is it squared by 2

You might be interested in

Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.

pashok25 [27]

Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

We have to prove that u and v must have the same length.

When two vector a and b are orthogonal then

$a\cdot b=0$

By using the property

$(u+v)\cdot (u-v)=0$

We know that

$(a+b)\cdot (a-b)=\mid a\mid^2-\mid b\mid^2$

$\mid u\mid ^2-\mid v\mid^2=0$

$\mid u\mid^2=\mid v\mid^2$

Magnitude is always positive

When power of base on both sides are equal then base will be equal

Therefore,

$\mid u\mid=\mid v\mid$

Hence, the length of vectors u and v must have the same length.

5 0

3 years ago

31% of what number is 25?

melamori03 [73]

Uhh, I think it is 80.65

Hope this helped （￣︶￣）↗　

3 0

3 years ago

Read 2 more answers

HELPPPP Solve the inequality. 9 - 12 13 O q>1 O 9-1 o 925 09> - 25

NikAS [45]

Answer:

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

A cereal box is a rectangular prism that is 8 inches long and 2 1/2 inches wide. the volume of the box is 200 inches cubed. what

Archy [21]

You have to multiply 8 and 2 1/2 which is 20. Then divide 20 and 200. Then you get 10 and that is your answer.

8 0

3 years ago

What’s the correct answers for blankA and Blank B

zimovet [89]

Answer:

Quadrilateral ABCD does not map onto itself using a reflection because it has 0 lines of symmetry.

Step-by-step explanation:

Remember that a trapezoid has no lines of symmetry.

4 0

3 years ago