3 years ago

Plz help me. I'm confused on hw

1 answer:

4 0

Answer: Yes by SAS

Why: they have two equal sides makes by the dashes and two 90 degree angles in the same places on both triangles meaning that the other side next to the 90 degree angle had to be equal as will

Hope this helps :D

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An acute triangle has sides measuring 10 cm and 16 cm. The length of the third side is unknown.

Wittaler [7]

Answer 12.5 < x 18.9

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3 years ago

An alloy consists of nickel, zinc, and copper in the ratio 2:7:9.

Alexus [3.1K]

Answer:

0.4kg, 1.4kg and 1.8kg

Step-by-step explanation:

Given parameters:

Mass of alloy = 3.6kg

Ratio of elements in the alloy = 2:7:9

Unknown:

Mass of each element in the alloy = ?

Solution:

To find the mass of each element in the alloy, first find the sum of the ratio;

2+7+9 = 18

Mass of nickel = $\frac{2}{18}$ x 3.6 = 0.4kg

Mass of zinc = $\frac{7}{18}$ x 3.6 = 1.4kg

Mass of copper = $\frac{9}{18}$ x 3.6 = 1.8kg

The mass of each metal is 0.4kg, 1.4kg and 1.8kg

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3 years ago

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masya89 [10]

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Step-by-step explanation:

I know this for sure

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3 years ago

The scale on a map shows that 200 miles is represented by 5 inches on a map. Which proportion can be used to find the distance o

Yuliya22 [10]

200 miles over 5 inches = 50 miles over x inches

200/5 = 50/x = 200x/250 =

x = 250/200 = 1.25

1.25 inches = 50 miles

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4 years ago

Seven values on the number line above are marked with letters. Match the opposites.

Natali [406]

Answer:

Step-by-step explanation:

hope this helps yout just have to put the negative letters with the positive!!!

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3 years ago

Plz help me. I'm confused on hw​

Plz help me. I'm confused on hw