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3 years ago

15

Tristan made 98 bracelets in 7 hours and Denita made 56 bracelets in 4 hours. These rates are equivalent because they have the s

ame _____ .
A) unit rate
B) ratio
C) rate

1 answer:

dexar [7]3 years ago

8 0

Answer:

A) unit rate

Hope this helps

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In the expression, 12x³ +8x² + 5x + 9, what is the constant?<br> 0 3<br> 08<br> O 12<br> 09

Mazyrski [523]

$\textbf {Allow me to assist you.}$

$\textrm {The constant is the term which does not change when the}\\\textrm {value of x changes. This means it is independent of the variable.}$

$\textbf {Hence, in this expression, the constant is 9.}$

4 0

1 year ago

2(n2 + 1) – 3(n2 – 3) + 3(2n2 – 2),<br> n=(1/4)

IceJOKER [234]

]Answer:

$5\frac{5}{16}$

Step-by-step explanation:

Substitute the value of the variable into the equation and simplify.

$2(\frac{1}{4} ^{2} +1-3(\frac{1}{4} ^{2} -3)+3((2*\frac{1}{4}^{2} )-2)$

Solve it out.

Multiply / divide / add / subtract everything out.

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3 years ago

Explain why 2.15 and -2.15 are opposite

viva [34]

Becuase 1 is negative and one is postive

8 0

3 years ago

Read 2 more answers

in Connecticut the sales tax rate is 6.35% find sales tax amount and the total price of a pillow that costs $ 8.00

Novosadov [1.4K]

If you multiply $8.00 by 6.35% the answer is .508. Round that up to .51. So tax is .51. You add that to $8.00 for a total amount of $8.51.

6 0

4 years ago

7. A kite in the shape of a square with a diagonal 32 cm and an isosceles triangle of base 8 cm and sides 6 cm each is to be mad

grin007 [14]

Answer:

Step-by-step explanation:

diagonal = 32 cm

Area of square = $\dfrac{d^{2}}{2}$

$=\dfrac{32*32}{2}\\\\=512 \ cm^{2}$

Diagonal separate the square into two equal triangles.

Area of upper triangle that is shaded black = area of lower triangle = 512/2

= 256 cm²

Isosceles triangle:

a = 6 cm ; b = 6 cm c = 8cm

$s = \dfrac{a+b+c}{2}\\\\=\dfrac{6+6+8}{2}\\\\=\dfrac{20}{2}\\\\=10\\\\s-a = 10 - 6 = 4 \ cm\\\\s-b = 10-6 = 4 \ cm\\\\c - c = 10 - 8 = 2 \ cm\\\\Area = \sqrt{s*(s-a)(s-b)(s-c)}\\\\=\sqrt{10*4*4*2}\\\\=\sqrt{2 * 2 * 4 * 4 * 5}\\\\=4*2\sqrt{5}\\\\=8\sqrt{5}\\\\=8*2.24\\\\=17.92 \ cm^{2}$

Area of black shade paper = 256 + 17.92 = 273.92 cm²

Area of white shade paper = 256 cm²

Area of the isosceles triangle = s(s-a)(s-b)(s-c)

7 0

3 years ago