Ask question

Ask question

All categories

Morgarella [4.7K]

2 years ago

12

Riley called for pizza delivery. She was told the cost is $5 per pizza plus a $6 delivery charge. Fill in the blanks to create a

n equation to determine the number of pizzas (n) that Riley can order if she has $20 to spend.

1 answer:

Nimfa-mama [501]2 years ago

6 0

Answer:

subtract the delivery fee from the 20 dollars. $20 - $6 = $14. 2. Find the number of pizzas with the $14 that she can use. $14 ÷ $5 = 2 R $4.

Step-by-step explanation:

You might be interested in

What organelle is found only in eukaryotic cells and contains<br> DNA?

zvonat [6]

C. The nucleus

Hope this helps :P

7 0

3 years ago

Use f(x) = 2 x and f-'(x) = 2x to solve the problems.

Marrrta [24]

Answer:

a) 1

b) 2

c) 2

Step-by-step explanation:

a) $f(2)$ means find the output for $\frac{1}{2}x$ when $x=2$ .

$\frac{1}{2}(2)$

$\frac{2}{2}$

$1$

b) $f^{-1}(1)$ means find the output for $2x$ when $x=1$

$2(1)$

$2$

c) If $f$ and $f^{-1}$ are truly inverses then $f(f^{-1}(u))=u$ and $f^{-1}(f(u))=u$ as long as $u$ satisfies the domains.

So we should be able to conclude that $f^{-1}(f(2))=2$ with no work.

However, I will also show work.

$f^{-1}(f(2))$

$f^{-1}(1)$ since $f(2)=1$ from part a.

$2$ since $f^{-1}(1)=2$ from part b.

6 0

3 years ago

PLEASE ANSWER MY QUESTION PLSSSS, ITS ALMOST DUE, CORRECT ANSWER GETS BRAINLIEST

inn [45]

Answer:

D

Step-by-step explanation:

D)

13% of x is 2600

13% = 13/100

⇒ (13/100)x = 2600

⇒ 13/100 = 2600/x

FYI A) gives the same value of x as D)

3 0

3 years ago

The angles opposite the congruent sides of an isosceles triangle are congruent find the value of x in the triangle

sveta [45]

Base angle + base angle + 70degrees = x degrees
x + x + 70 degrees = x degrees
2x + 70 = x
2x = 70 - x
2x = 60
x = 70.2
<span>x = 35</span>

7 0

3 years ago

Read 2 more answers

Craign has a building block in the shape of a rectangular pyramid .A net of which is shown below.If a measures 12 cm b measures

svetoff [14.1K]

Answer:

<h3>Option D) 294 sq cm is correct</h3><h3>∴ the surface area of the rectangular pyramid is 294 sq cm</h3>

Step-by-step explanation:

First we have to split the net into 4 triangles and 1 rectangle

Given a = 12 cm ,b = 6 cm and d = 13 cm

<h3>To find the surface area of the rectangular pyramid:</h3>

Now find the area of the rectangle base

$Rectangle base area=b\times a$

$= 6\times 12$

= 72 sq. cm

<h3>∴ Rectangle base area=72 sq cm</h3>

Now to find the area of the triangle on the left

$Left triangle=\frac{1}{2}(b)(d)$

$=\frac{1}{2}(6)(13)$

= 39 sq cm

<h3>∴ Left triangle=39 sq cm</h3>

Since all the triangles are congruent , you will need to multiply by 2 to get the combined area of the triangle on the left and on the right.

Area of left and right triangles= 2(39)

=78 sq cm

<h3>∴ Area of left and right triangles=78 sq cm</h3>

Find the area of the triangle on the bottom

$Bottom triangle area=\frac{1}{2}(a)(a)$

$=\frac{1}{2}(12)(12)$

= 72 sq cm

<h3>∴ Bottom triangle area=72 sq cm</h3>

Since the bottom of the triangle is congruent to the top triangle, multiply that by 2 to get a combined area of the triangle on the bottom and top

Area of top & bottom triangles=2 (72)

= 144 sq cm

<h3>∴ Area of top & bottom triangles= 144 sq cm</h3>

Finally add the area of the 4 triangles to the area of the rectangular base we get

=72 + 78 + 144

= 294 sq cm

<h3>∴ the surface area of the rectangular pyramid is 294 sq cm</h3><h3>∴ option D) 294 sq cm is correct.</h3>

7 0

3 years ago