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3 years ago

Please Help!

Mathematics

1 answer:

bekas [8.4K]3 years ago

3 0

Well, usually dominos does 10 slices per box. so, 15 dollars for a whole pizza.

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Which of the following could be the measure of a pair of consecutive angles in a parallelogram?

Maksim231197 [3]

Answer:b

Step-by-step explanation:it equals out to 180°

8 0

2 years ago

. A. 139 B. 147° C. 155 D. 157 PLEASE HELP ASAAAPP!

enyata [817]

Answer:

$\huge\boxed{157 \ \ \text{degrees}}$

Step-by-step explanation:

In order to find the value of ∠EFB here, we have to note our angle relationships.

We know that ∠CFE is already 90°. We also know that ∠CFA is 90°. Angle ∠AFB is inside ∠CFA. Since we know the measure of ∠AFB, we can find the measure of ∠BFC.

$23 + x = 90\\\\x = 90-23\\\\x = 67$

Now that we know ∠CFE and ∠BFC, which together make ∠BFE, we can add these angles up.

$90+67=157$

Hope this helped!

5 0

3 years ago

Jon sold 3/4 of his books and purchased 3 more. If Jon has 11 books now how many books did he have to begin with?

slava [35]

I hope this helps you

begin jons all book 4a

sold 4a.3/4=3a

remaining book 4a-3a=a

3 purcased book a+3=11

a=8

4a=4.8=32 jons all book

5 0

3 years ago

Classify the triangle shown below. Check all that apply.

Zielflug [23.3K]

Answer:

A and B

Step-by-step explanation:

A. Since 2 angles are congruent you know that there has to be 2 equal sides

B. It has an obtuse angle which is 100 degrees.

C. Triangle has 2 congruent sides so this is incorrect

D. Not all sides are equal

E. Not all angles are acute

F. None of the angles are 90 degrees

7 0

2 years ago

F(x)=2x^3+ax^2-37x-60 The binomial x-4 is a factor of f(x). Find the value of a.

jekas [21]

Given:

The function is

$f(x)=2x^3+ax^2-37x-60$

The binomial $x-4$ is a factor of f(x).

To find:

The value of $a$ .

Solution:

If $x-c$ is a factor of f(x), then $f(c)=0$ .

It is given that, $x-4$ is a factor of f(x), then $f(4)=0$ .

We have,

$f(x)=2x^3+ax^2-37x-60$

Substituting x=4, we get

$f(4)=2(4)^3+a(4)^2-37(4)-60$

$f(4)=2(64)+a(16)-148-60$

$f(4)=128+16a-208$

$f(4)=16a-80$

Now,

$f(4)=0$

$16a-80=0$

$16a=80$

$a=\dfrac{80}{16}$

$a=5$

Therefore, the value of a is 5.

6 0

2 years ago