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DerKrebs [107]
3 years ago
8

Write the letter in the box that correctly describes the three dimensional figure.

Mathematics
2 answers:
Nataliya [291]3 years ago
6 0
A, D for pyramid and B, and C for prism
RSB [31]3 years ago
5 0
A. Pentagonal pyramid (5 sided base pyramid)
B. Hexagonal prism (6 sided prism)
C. Cube
D. Square pyramid
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Please help a step by step would be nice answer is also ok
nasty-shy [4]
I would choose A I’m not to sure tho
6 0
3 years ago
Consider the polynomial below.
kotykmax [81]

Answer:

(-4x - 2)(-5x) + (-4x - 2)(3)  

Step-by-step explanation:

Your polynomial is

(-4x - 2)(-5x + 3)

The distributive property states that

a(b + c) = ab + ac

Let a = -4x - 2.  Then

(-4x - 2)(-5x + 3) = a(5x + 3) = a(-5x) + a(3)

Substitute the value of a.

a(-5x) + a(3) = (-4x - 2)(-5x) + (-4x - 2)(3)

You have just distributed the first binomial (-4x - 2) among the terms of the second binomial.

3 0
2 years ago
Noah has $50. He wants to buy a cell phone case for $20 and some accessories. Each accessory costs $8. How many accessories (x)
levacccp [35]

Answer:

Noah can buy 2 accessories.

Step-by-step explanation:

Given:

Money Noah has = $50

Cost of Cell phone case = $20

Cost of each accessory =$8

Amount he wants to be left = $8

So Total Amount he he wants to spend on accessories and Cell phone case will be equal to Money Noah has minus Amount he wants to be left.

framing in equation form we get;

Total Amount he he wants to spend on accessories and Cell phone case = \$50-\$8 =\$42

No we need to find the number of accessories Noah can buy.

Let the number of accessories be 'x'.

Now we can say that;

Cost of Cell phone case plus Cost of each accessory multiplied by number of accessories should be less than or equal to Total Amount he he wants to spend on accessories and Cell phone case.

framing in equation form we get;

20+8x\leq 42

Subtracting both side by 20 we get using Subtraction property of Inequality.

20+8x-20\leq 42-20\\\\8x\leq 22

Now Dividing both side by 8 using Division property of Inequality we get;

\frac{8x}{8}\leq \frac{22}{8}\\\\x\leq 2.75

Now rounding to whole number we get ;

x\leq 2

Hence Noah can buy 2 accessories.

8 0
2 years ago
Write the product in standard form. ( 4 + 7i)( 7 + 7i)
Helen [10]
The answer is a) -21 - 77i
7 0
3 years ago
3600 dollars is placed in an account with an annual interest rate of 5.5%. To the nearest year, how long will it take for the ac
Lynna [10]

Answer:

14.44

Step-by-step explanation:

The formula says

A=p(1+r)^t

A 7800

P 3600

R 0.055

T ?

7800=3600(1+0.055)^t

7800/3600=(1.055)^t

Log(7800/3600)= t × log(1.055)

T=log(7800/3600)/log(1.055)

T= 14.44 years

7 0
2 years ago
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