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3 years ago

-x+4y=5 find an ordered pair that is a solution to the equation

Mathematics

1 answer:

Vikki [24]3 years ago

3 0

Answer:

There can be more than one ordered pair that can be a solution:

- (0, 5/4)

- (1, 3/2)

- (2, 7/4)

Hope this helps ;)

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Evaluate the expression xy-3x; when x=4 and y=5. Pls provide explanation. Will choose brainliest.

Iteru [2.4K]

4*5-3*4

20-12

Just plug in the numbers and solve. Remember that you multiply before you subtract.

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3 years ago

Express this number in scientific notation <br><br>96,470,000

11111nata11111 [884]

Answer:

9.647 x 10 to the 7th

Step-by-step explanation:

that's the answer

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3 years ago

What is 1 6/9 +5 9/7

lisabon 2012 [21]

$\longrightarrow{\green{7 \frac{20}{21}}}$

$\large\mathfrak{{\pmb{\underline{\red{Step-by-step\:explanation}}{\red{:}}}}}$

$1 \frac{6}{9} + 5 \frac{9}{7} \\ \\ = \frac{15}{9} + \frac{44}{7} \\ \\ = \frac{15 \times 7}{9 \times 7} + \frac{44 \times 9}{7 \times 9} \\ \\ = \frac{105 + 396}{63} \\ \\ = \frac{501}{63} \\ \\ = \frac{167}{21} \\ \\ = 7 \frac{20}{21}$

$\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{♡}}}}}$

6 0

3 years ago

If 14 people feeds on 3 cups of rice. how much rice feeds 17 people

AnnZ [28]

The answer is:

17*(3/14)

More detailed;

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3 years ago

Read 2 more answers

Intrigued by a 2013 study at the University of Nebraska that suggested marijuana smokers may be thinner than other adults, a gro

Reptile [31]

this question is incomplete, the complete question is:

1. is this model effective

2. what is the correlation coefficient for this data.

3. for a student with a bmi of 25, what is the predicted number of hours under the influence.

Step-by-step explanation:

1. first of all this model is not effective because we have r² as 0.134. this tells us that only 13.4 percent of the of the variations that exist in this data has been explained by the model

1. we get the correlation coefficient by

$+-\sqrt{r^{2} }$

the regression slope coefficient has a negative sign. this is what we would use in calculating the correlation coefficient.

$-\sqrt{r^{2} }$

= -√0.134

= -0.366

therefore the correlation coefficient is -0.366

2. to get the number of hours under the influence with a bmi of 25

the equation is

49.2-1.15bmi

= 49.2-1.15(25)

= 49.2-28.75

= 20.45

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3 years ago