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3 years ago

Help meeeee plzzzzzzzzzz i need this done

Mathematics

2 answers:

Oksana_A [137]3 years ago

4 0

Answer:

1. yes 2. no

Step-by-step explanation:

1. 3(5)-2(7)=1 √

2. 2(-3)+8(-4)=-38 not 26 ×

olchik [2.2K]3 years ago

3 0

Answer:

1.) yes

2.) no

Step-by-step explanation:

1.) Yes

3x - 2y = 1

3(5) - 2(7) = 1

15 - 14 = 1

1 = 1

2.) No

2x + 8y = 26

2(-3) + 8(-4) = 26

-6 - 32 = 26

-38 ≠ 26

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Step-by-step explanation:

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1 year ago

0.4 is 10 times as much as ?

dimulka [17.4K]

0.4 is 10 times as much as ? for answering this, we put x an unknown number such that 0.4 is 10 times as much as x, so it does mean 0.4 =10x, so for finding the value of x, we divids 0.4 by 10, x= 0.4/10=0.04. the answer is 0.4 is 10 times as much as 0.04Hope this helps. Let me know if you need additional help!

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3 years ago

Read 2 more answers

Six sophomores and 14 freshmen are competing for two alternate positions on the debate team. Which expression represents the pro

Elanso [62]

Answer:

Choose the first alternative

$\displaystyle P=\frac{_{1}^{6}\textrm{C}\ _{1}^{5}\textrm{C}}{_{2}^{20}\textrm{C}}$

Step-by-step explanation:

Probabilities

The requested probability can be computed as the ratio between the number of ways to choose two sophomores in alternate positions $(N_s)$ and the total number of possible choices $(N_t)$ , i.e.