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VladimirAG [237]

3 years ago

11

What is the value of z in 5z=80z*-1/3

1 answer:

Nataliya [291]3 years ago

7 0

The answer to the question is
Z=0

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ICE Princess25 [194]

139b + 1.29b = 50.73
2.49m + 2.69m = 51.63

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2 years ago

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a recipe that makes 18 cookies calls for 3/4 cups of sugar. How much sugar is needed to make 2 dozen cookies using this recipe?

frutty [35]

Answer: 1.5

Step-by-step explanation:

Dozen means a lot. If 3/4 cups of sugar is needed, 3/ multiplied by 2 = 1.5

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2 years ago

Which statement describes the relationship, if any, that exists between triangle KLM and triangle NPQ? Triangle L K M. Side K L

Anettt [7]

Answer:

Its B I think

Step-by-step explanation:

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3 years ago

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What's the volume of this? Use 22/7

nordsb [41]

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6 0

3 years ago

For what values of a does the following system have at least 1 solution

Nimfa-mama [501]

Answer:

• for the first inequality:

$\dashrightarrow \: { \tt{3(a - 5x) < 1 + x}} \\ \\ { \tt{3a - 15x < 1 + x}} \\ \\ { \tt{3a < 1 + 16x}} \\ \\ { \boxed{ \tt{a = \frac{1 + 16x}{3} \: \: { \red{}} }}}$

• for the second inequality:

$\dashrightarrow \: { \tt{ \frac{2 - x}{2} > 3 + 5(x - a) }} \\$

substitute for a:

${ \tt{ \frac{2 - x}{2} > 3 + 5(x - \frac{1 + 16x}{3} ) }} \\ \\ { \tt{ \frac{2 - x}{2} > 3 - \frac{5 + 80x}{3} }} \\ \\ { \tt{2 - x > 6 - \frac{10 + 160x}{3} }} \\ \\ { \tt{6 - 3x > 18 - 10 - 160x}} \\ \\ { \tt{157x > 2}} \\ \\ { \tt{x > \frac{2}{157} }}$

• substitute to get value of a: [ first inequality ]

${ \tt{a < \frac{1 + 16( \frac{2}{157}) }{3} }} \\ \\{ \boxed{ \tt{a < \frac{63}{157} }}}$

[ second inequality ]

${ \boxed{ \tt{a > \frac{65}{157} }}}$

7 0

2 years ago