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padilas [110]
2 years ago
7

HELP ASAP!! No links or photos please. Don't answer if you don't know it

Mathematics
1 answer:
yuradex [85]2 years ago
7 0

Answer:

b no

Step-by-step explanation:

c^2 =\sqrt{a {}^{2}  +b {}^{2}} 9 + 25 \: is \: not  =81

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Find the vertex of the function h(x) = x2 – 4x – 21
lakkis [162]

Answer: (2, -25)

Step-by-step explanation:

The x coordinate of the vertex is x=-\frac{-4}{2(1)}=2.

When x=2, h(2)=2^2 - 4(2)-21=-25.

So, the vertex is (2, -25).

7 0
1 year ago
Which do you think is easier to understand and why do you think so, multiplying radicals or multiplying polynomials?
Vera_Pavlovna [14]

I believe that its easier to understand the multiplication of a radical than that of a polynomial.

<h3>How to illustrate the information?</h3>

In mathematics, a radical is the opposite of an exponent that is represented with a symbol '√' also known as root.

A polynomial is an expression which is composed of variables, constants and exponents, that are combined using the mathematical operations such as addition, subtraction, multiplication and division.

When multiplying radicals with the same index, multiply under the radical, and then multiply in front of the radical. An example is:

= 3✓2 × 4✓2

= 12✓4

= 12 × 2

= 24

The multiplication of a radical is easier.

Learn more about polynomial on:

brainly.com/question/2833285

#SPJ1

3 0
2 years ago
please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
DIA [1.3K]

Answer:

There are 4 boys for every 6 girls (4 : 6 ratio)

5 0
3 years ago
What is 2 equivalent ratios for 7 to 11
Strike441 [17]

Pick any number.  Multiply the 7 and the 11 both by it,
and you'll have an equivalent ratio.

Examples:

(by 2) . . . 14 to 22

(by 6) . . . 42 to 66

(by 10). . . 70 to 110

(by a million) . . . 7 million  to  11 million


7 0
3 years ago
roger bought 8 small bricks for his garden for $5.46. the total weight of the bricks was 6 1/4 pounds how many pounds does one b
mestny [16]

Answer:

0.78125 pounds

Step-by-step explanation:

the weight of 8 brick is 6.25 pound

divide the weight by 8 to take the weight for the one brick

3 0
3 years ago
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