3 years ago

Each Grammy has a square base 6 inches wide That's 3 inches more than 1/3 of the trophy's height

Mathematics

1 answer:

anygoal [31]3 years ago

4 0

Step-by-step explanation:

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In a certain chemical, the ratio of zinc to copper is 4 to 15. A jar of the chemical contains 375 grams of copper. How many gra

Reika [66]

Answer: 93 grams Zinc

Step-by-step explanation:

3 Zinc : 13 Copper

x 31 x 31

93 Zinc, 403 Copper

set up a proportion, cross multiply, and solve for the variable:

3(403) = 13(x)

3(31) = x

93 = x

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3 years ago

Read 2 more answers

I need help with this please

defon

B. (2,5)

y=3(2)-1

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7 0

3 years ago

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PLEASE HELP I NEED IT TO PASS THIS CLASS

andreyandreev [35.5K]

Answer:

Angle 5 = 37°

Angle 8 = 143°

Step-by-step explanation:

Angle 2 = Angle 8

Reason : Alternate exterior angles are equal.

Therefore,

Angle 8 = 143°

Angle 5 + Angle 8 = 180°

Reason : Angle 5 & 8 are in a linear pair.

Angle 5 + 143° = 180°

Angle 5 = ( 180 - 143 )°

Angle 5 = 37°

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3 years ago

Find the measure of this angle in the triangle.

bixtya [17]

Answer:

the angle measures 85 degrees

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3 years ago

2m/(2m 3)-(2m)/(2m-3)=1how many extraneous solutions does the equation have?

Slav-nsk [51]

$\frac{2m}{2m+3} - \frac{2m}{2m-3} =1 \\ \frac{2m(2m-3)-2m(2m+3)}{4m^2-9} =1 \\ \frac{4m^2-6m-4m^2-6m}{4m^2-9} =1 \\ \frac{-12m}{4m^2-9} =1 \\ -12m=4m^2-9 \\ 4m^2+12m-9=0 \\ m=0.6213 \ or \ m=-3.6213$
For m = 0.6213, $\frac{2(0.6213)}{2(0.6213)+3} - \frac{2(0.6213)}{2(0.6213)-3} \\ \frac{1.2426}{4.2426} - \frac{1.2426}{-1.7574} =0.2929+0.7071=1$
For m = -3.6213, $\frac{2(-3.6213)}{2(-3.6213)+3} - \frac{2(-3.6213)}{2(-3.6213)-3} \\ \frac{-7.2426}{-4.2426} - \frac{-7.2426}{-10.2426} =1.7071-0.7071=1$
Therefore, the equation has no extraneous solution.

4 0

3 years ago