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Keith_Richards [23]
3 years ago
12

WILL GIVE BRAINLIEST!!!! HELP ASAP!

Mathematics
2 answers:
liberstina [14]3 years ago
5 0

Answer:

11 ÷ 2.75 = 4 so it's $4.00

docker41 [41]3 years ago
4 0

Answer:

$4.00

Step-by-step explanation:

$11 divided by 2.75 pounds = $4.00 per pound

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Jika f(x) = <br><img src="https://tex.z-dn.net/?f=%20%20%3D%20%5Csqrt%7B2%7D%20%20%5Ctimes%20%20%5Csqrt%7B%20%7B2%7D%5E%7B2x%20-
wel

f(0) = \sqrt{2} · \sqrt{2^{2(0) - 1}}

= \sqrt{2} · \sqrt{2^{0 - 1}}

= \sqrt{2} · \sqrt{2^{- 1}}

= \sqrt{2} · \frac{1}{\sqrt{2}}

= \frac{\sqrt{2}}{\sqrt{2}}

= 1

Answer: 1

3 0
3 years ago
X divided by 2 equals seven divided by 10
Gnesinka [82]
X= 2(7/10)
X= 14/10
X= 7/5
(1.4 in decimal)
4 0
3 years ago
In sequences 1,7,13,19, ...., each number is 6 more than the number before it. In the sequences 1,9,17,25,...., each number is 8
butalik [34]

Answer:

I think 17, but I'm not sure.

Step-by-step explanation:

here's what I think.

So I don't know how to write it, but I got this,

14 + 2 + 1

6 0
2 years ago
Which set is closed under the operation multiplication?
oee [108]
I have another set of choices here:

A. {0.5, 1, 2} 


B. {1, 2, 4} 


C. {1, 2, 3, 4, 5} 


<span>D. {0} 
</span>
If you multiply two numbers from a closed set the answer is in the set. 
<span>So A is not closed because 2 x 2 = 4 which isn't in the set. Only 0.5, 1, and 2 are in set A. </span>

<span>Try multiplying the largest numbers in sets B, C, and D by themselves. You will soon discover the closed set.</span>
3 0
3 years ago
4. Gloria the grasshopper is working on her hops.
aivan3 [116]

The path that Gloria follows when she jumped is a path of parabola.

The equation of the parabola  that describes the path of her jump is \mathbf{y = -\frac{5}{49}(x - 14)^2 + 20}

The given parameters are:

\mathbf{Height = 20}

\mathbf{Length = 28}

<em>Assume she starts from the origin (0,0)</em>

The midpoint would be:

\mathbf{Mid = \frac 12 \times Length}

\mathbf{Mid = \frac 12 \times 28}

\mathbf{Mid = 14}

So, the vertex of the parabola is:

\mathbf{Vertex = (Mid,Height)}

Express properly as:

\mathbf{(h,k) = (14,20)}

A point on the graph would be:

\mathbf{(x,y) = (28,0)}

The equation of a parabola is calculated using:

\mathbf{y = a(x - h)^2 + k}

Substitute \mathbf{(h,k) = (14,20)} in \mathbf{y = a(x - h)^2 + k}

\mathbf{y = a(x - 14)^2 + 20}

Substitute \mathbf{(x,y) = (28,0)} in \mathbf{y = a(x - 14)^2 + 20}

\mathbf{0 = a(28 - 14)^2 + 20}

\mathbf{0 = a(14)^2 + 20}

Collect like terms

\mathbf{a(14)^2 =- 20}

Solve for a

\mathbf{a =- \frac{20}{14^2}}

\mathbf{a =- \frac{20}{196}}

Simplify

\mathbf{a =- \frac{5}{49}}

Substitute \mathbf{a =- \frac{5}{49}} in \mathbf{y = a(x - 14)^2 + 20}

\mathbf{y = -\frac{5}{49}(x - 14)^2 + 20}

Hence, the equation of the parabola  that describes the path of her jump is \mathbf{y = -\frac{5}{49}(x - 14)^2 + 20}

See attachment for the graph

Read more about equations of parabola at:

brainly.com/question/4074088

7 0
2 years ago
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