3 years ago

Help help help help!

Mathematics

1 answer:

marishachu [46]3 years ago

6 0

$\frac{7}{2} * \frac{11}{5}$ = $\frac{77}{10}$

That is basically 7 7/10

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Using the numbers 1,2,3,4,5,6,7,8,9 use four to make it equal 19 you may only use these numbers once! Thank you! Example: 5+3+7+

irga5000 [103]

9+1+4+5=19
9+2+3+5=19
8+4+2+5=19

Here you go

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3 years ago

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sixteen dictionaries weigh 11.52 pounds all together. each dictionary has the same weight in pounds,how much does one dictionary

iogann1982 [59]

Answer:

1.92 Pounds per dictionary

Step-by-step explanation:

Since 6 dictionaries weigh 11.52 pounds, and each of the dictionaries weigh the same, this is a simple division problem.

11.52/6=1.92

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3 years ago

80 percent of 230 is the same as 25 percent of what number?

vredina [299]

Answer:

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Step-by-step explanation:

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3 years ago

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You put the names of all the students in your class in a paper bag. There are 19 boys and 12 girls. If you draw a name at random

Andrei [34K]

Answer:

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Step-by-step explanation:

12+19=31

there are 19 guys names out of a total of 31 names.

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3 years ago

Use a two-column proof to prove the Triangle Proportionality Theorem:

photoshop1234 [79]

Answer:

Step-by-step explanation:

From the picture attached,

Statements Reasons

1). In ΔABC, DE intersects AB and AC 1). Given

2). DE║BC 2). Given

3). ∠ADE ≅ ABC 3). Corresponding angles postulate

4). ∠AED ≅ ∠ACB 4). Corresponding angles postulate

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6). $\frac{AD}{AB}=\frac{AE}{AC}$ 6). Definition of two similar triangles

Hence proved.

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