Jada has 33 coins in her wallet-all pennies, nickels, and quarters. Thetotal value of the coins is $3.41. If the number of quarters is four less than the number of pennies, how many of each coin does she have?

9514 1404 393

Answer:

  7 1/8 yd

Step-by-step explanation:

The perimeter is the sum of the three side lengths. They are all the same, so we can use multiplication to find their sum.

  P = 3·(2 3/8 yd) = 6 9/8 yd  . . . . .  9/8 = 1 1/8

  P = 7 1/8 yd

The perimeter is 7 1/8 yards.

Answer:

[tex]perimeter \: of \: the \: triangle \\ = 2 \frac{3}{8} +2\frac{3}{8} + 2 \frac{3}{8} \\ = 3 \times 2 \frac{3}{8}\\= 3 \times \frac{19}{8} \\ = \frac{57}{8} \: yd \\ = 7 \frac{1}{8} \: yd[/tex]

Answer:

62/x

Step-by-step explanation:

Answer: (3, -4)

Step-by-step explanation:

x = 3

y = -4

Answer:

368

Step-by-step explanation:

just multiply 46 x 8 = 368

Answer:

47.5 is correct

Step-by-step explanation:

use the Pythagorus theorem

31^2+36^2= BA^2

2257=BA^2

square root both sides

√2257= 47.50789408

round to the nearest tenth

47.5

Answer:

[tex]\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}=2xy^2\sqrt{x}+2xy\sqrt{y}[/tex]

Hence, ption B is true.

Step-by-step explanation:

Given the expression

[tex]\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}[/tex]

solving the expression

[tex]\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}[/tex]

as

[tex]\sqrt{x^2y^3}=xy\sqrt{y}[/tex]

[tex]2\sqrt{x^3y^4}=2xy^2\sqrt{x}[/tex]

so the expression becomes

[tex]\:\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}=xy\sqrt{y}+2xy^2\sqrt{x}+xy\sqrt{y}[/tex]

Group like terms

                                        [tex]=2xy^2\sqrt{x}+xy\sqrt{y}+xy\sqrt{y}[/tex]

Add similar elements

                                        [tex]=2xy^2\sqrt{x}+2xy\sqrt{y}[/tex]

Therefore, we conclude that:

[tex]\sqrt{x^2y^3}+2\sqrt{x^3y^4}+xy\sqrt{y}=2xy^2\sqrt{x}+2xy\sqrt{y}[/tex]

Hence, option B is true.

Answer:

b

Step-by-step explanation:

Step-by-step explanation:

∵ DE∥FG

∴∠EDF=∠GFH

∵∠DFE=180º-∠DEF-∠EDF

and ∠FHG=180º-∠FGH-∠GFH

∴∠DFE=∠FHG

Answer:

B. no correlation

Step-by-step explanation:

Answer:

3 1/4

Step-by-step explanation:

Laura walked 6 1/2 laps of a circular path in 2 hours. At that rate, she walk circular path in one hour is, 3 1/4 laps.

Rate is a ratio of change in one quantity w.r.t. change in another quantity.  The net change in one quantity  is written as, Δy and the net change in another quantity is written as, Δx.

So formula for the rate is,

m = change in one quantity/change in another quantity = Δy/Δx

Given that,

Laura walked 6 1/2 laps of a circular path in 2 hours,

Suppose, she walked at constant speed

So, we can say that

Whatever, distance she walked in 2 hour that will be double of the distance she walked in 1 hour,

Therefore, laps of the path she did  walk in one hour is (13/2)/2 =13/4

Hence, laps she walked is 3 1/4

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Answer:

each friend gets 3 trading cards

Step-by-step explanation:

if u make 5 different groups and one group stands for 1 friend and I put 1 card in each group until it is all equal u will find that each friend get 3 cards and had is left with one

Answer:

2 block east from home

Step-by-step explanation:

Given an expression for how many blocks east Robert is from his home after finding his wallet as the sum 7+​(−​5),

Simplifying the given expression

7+(-5) = 7-5 (note that the product of a plus and minus sign will give a minus sign)

7-5 = 2

Hence Robert will be 2 block east from home

Answer:

The temperature will be -18 degrees

Step-by-step explanation:

just add 3 to 12 for every hour (2 hours)

Answer:

-40

20

20

20

Step-by-step explanation:

Answer:

We conclude that:

Step-by-step explanation:

Given the expression

[tex]\left(5p^3\right)\:\left(-1m^8p^2\right)[/tex]

Apply the rule:

[tex]a\left(-b\right)=-ab[/tex]

so the expression becomes

[tex]\left(5p^3\right)\left(-1\cdot \:m^8p^2\right)=-5p^3\cdot \:1\cdot \:m^8p^2[/tex]

Apply the rule:

[tex]a^b\cdot \:a^c=a^{b+c}[/tex]

so the expression becomes

                             [tex]=-5p^{3+2}\cdot \:1\cdot \:m^8[/tex]         ∵ [tex]p^3p^2=p^{3+2}[/tex]

                             [tex]=-5p^5\cdot \:1\cdot \:m^8[/tex]

                             [tex]=-5p^5m^8[/tex]

Therefore, we conclude that:

Answer:

:)

Step-by-step explanation:

It should be $2; the cost per muffin

The cost of one muffin is $2.  

Subtraction is mathematic operation. Which is used to remove terms or objects in expression.

Given, $15 is delivery cost of muffins.

That means the if x is the cost of one muffin then

Total cost = nx + $15

,where n is the number of muffins.

Now,

for n = 1

The total cost of one muffin is :

17 = x + 15

x  = 2

Therefore, the cost of one muffin is $2.  

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Answer: Mom bought 10 chickens

Step-by-step explanation: if each chicken had 2 wings and there were 20 wings you divide

Answer:

3. Zack has 6 times more seeds than Ben, if Ben has 5 seeds, just multiply how many seeds Ben has by 6, which means Zack planted 30 seeds (This can be written Z=B*6, where Z is how many seeds Zack has, and B is how many seeds Ben has)

1.  If there are a total of 40 cards divided into 8 groups of students, that means that each group got 5 card (40 ÷ 8 = 5)

2. If each chicken has 2 wings, and she has a total of 20 wings, that means that she bought a total of 10 chickens (20 ÷ 2 = 10)

Answer:

r = 1.68 ft

Step-by-step explanation:

Volume of a sphere, V = 4/3πr³

V = 20 ft³

π = 3.14

r = ?

V = 4/3πr³

20 = 4/3 × 3.14 × r³

20 = (4×3.14×r³)/3

Cross product

20 × 3 = 4 × 3.14 × r³

60 = 12.56r³

r³ = 60/12.56

= 4.7771

r = 3√4.7771

= 1.6842

Approximately

r = 1.68 ft to the nearest hundredth

Answer: 3x+5y+9

Step-by-step explanation:

Let's simplify step-by-step.

7y+3x+3−2y+6

=7y+3x+3+−2y+6

Combine Like Terms:

=7y+3x+3+−2y+6

=(3x)+(7y+−2y)+(3+6)

So The Final Answer Is 3x+5y+9

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Answer:

∠STR is associated with ∠ XYT

Therefore, we conclude that:

Step-by-step explanation:

Given

△RST ≅ △TXY

To determine:

∠STR = ?

As

△RST ≅ △TXY

So the triangles △RST and △TXY are congruent to each other.

Please check the attached graph.

From the graph, it is clear that:

∠STR is associated with ∠ XYT

so

∠STR = ∠ XYT

Therefore, we conclude that:

Answer:

z=1

Step-by-step explanation:

2*1=2 2+3=5

Answer:

D. -2

Step-by-step explanation:

slope formula = [tex]\frac{y_{2}-y_{1} \\ }{x_{2} -x_{1} }[/tex]

(-1,3)

[tex]x_{2}, y_{2}[/tex]

(4,-7)

[tex]x_{1}, y_{1}[/tex]

Plug in the numbers into the formula now

[tex]\frac{3-(-7)}{-1-4}[/tex]

negative minus negative equals positive

[tex]\frac{10}{-5}[/tex]

reduces to -2

Answer:

93 Sq.ft

Step-by-step explanation:

Formula for total surface area of a cylinder is;

TSA = 2πr² + 2πrh

In the question, we have Half cylinder, thus; TSA for half cylinder is;

TSA_½ = (2πr² + 2πrh)/2

TSA_½ = πr² + πrh

r = 3/2 = 1.5 ft

h = 5 ft

Thus;

TSA_½ = π(1.5)² + π(1.5 × 5)

TSA_½ = 30.63 Sq.ft

Surface area of rectangular prism is;

SA = 2(lw + lh + wh)

We have;

l = 5 ft

h = 2 ft

w = 3 ft

Thus;

SA = 2((5 × 3) + (5 × 2) + (2 × 3))

SA = 2(15 + 10 + 6)

SA = 62 Sq.ft

Thus, surface area of treasury is;

S.A_t = TSA_½ + SA

S.A_t = 30.63 + 62

S.A_t = 92.63 approximately 93 Sq.ft

Answer:

Step-by-step explanation:

80

Answer:

c + 10 = 3

Step-by-step explanation: