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3 years ago

What is the unit rate for the clownfish if all 60 costs 3,600? I will mark brainliest

2 answers:

7 0

The unit rate would be found if you made a ratio first of 60:3600. You notice that 60 can go into 3600 by 60 times. This means you get a unit ratio of 1:60. This means that one clownfish cost 60 dollars.

Anna11 [10]3 years ago

6 0

60 dollars is the answer

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the frame of a picture is 28 cm by 32 cm outside and is of uniform width.What is the width of the frame if 192 cm2 of the pictur

natita [175]

Answer:

The width of the frame is equal to $8\ cm$

Step-by-step explanation:

Let

x-------> the width of the frame picture

we know that

$(28-2x)(32-2x)=192$

$896-56x-64x+4x^{2} =192$

$4x^{2}-120x+704=0$

Simplify

$x^{2}-30x+176=0$

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2}-30x+176=0$

$a=1\\b=-30\\c=176$

substitute in the formula

$x=\frac{30(+/-)\sqrt{(-30)^{2}-4(1)(176)}} {2(1)}$

$x=\frac{30(+/-)\sqrt{196}} {2}$

$x=\frac{30(+/-)14} {2}$

$x=\frac{30+14} {2}=22\ cm$ ----> this solution is not logic

$x=\frac{30-14} {2}=8\ cm$

The width of the frame is equal to $8\ cm$

8 0

3 years ago

Write the expression in its simplest form. √5 + √20

Fudgin [204]

Answer:

√5 + √20

Step-by-step explanation:

first u write √ then put a 5 then put + and put another √ then u put 20 and u grucci

dddddddddddddddddddddddddddddddddddddddddddddddddddddddd

4 0

3 years ago

Read 2 more answers

Help please? I can choose more than one answer I just don’t understand this stuff

Gwar [14]

$...hay.... \\ a + 8 = - \frac{5}{a} \\ a + \frac{5}{a} = - 8 \\ {a }^{2} + 5 = - 8a \\ {a }^{2} + 8a = - 5 \\ henca \: \: opion \: no.1 \: is \: correct$

7 0

3 years ago

A cone has a base with a radius of 9 mm and a height of 13 mm. What is the volume of the cone?

avanturin [10]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

Given - a cone with base radius 9mm and height 13 mm

To calculate - volume of the cone

We know that ,

$Volume \: of \: cone = \frac{1}{3}\pi \: r {}^{2} h \\$

substituting the values in the formula ,

$Volume = \frac{1}{3} \times 3.14 \times 9 \times 9 \times 13 \\ \\ \implies \: 1.05 \times 81 \times 13 \\ \\ \implies \: 1105.65 \: mm {}^{3}$

hope helpful ~

7 0

2 years ago

Can some help I’m suffering with this question

ziro4ka [17]

Answer:

38 quarters

Step-by-step explanation:

0.25 x 63 = 15.75

0.05 x 63 = 3.15

----------------------------

0.25 x 50 = 12.50

+ = $13.15

0.05 x 13 = 0.65

----------------------------

0.25 x 25 = 6.25

+ = $8.15

0.05 x 38 = 1.90

----------------------------

0.25 x 30 = 7.50

+ = $9.15

0.05 x 33 = 1.65

--------------------------

0.25 x 35 = 8.75

+ = $10.15

0.05 x 28 = 1.40

-------------------------

0.25 x 38 = 9.50

+ = $10.75

0.05 x 25 = 1.25

------------------------------

I hope this helps!

4 0

2 years ago