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3 years ago

Three added to four times a number is equal to five less than six times the number

Mathematics

2 answers:

inessss [21]3 years ago

7 0

The answer is C4 Same question thank you

LiRa [457]3 years ago

3 0

Answer:

C: 4

Step-by-step explanation:

4x+3=6x-5

Add five to both sides

4x+8=6x

Subtract both sides by 4x

8=2x

Divide both sides by 2

X=4

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The question is asking me choose all of the numbers that are unit fractions, and here are my options, 14 <16 14 <16 510&lt

____ [38]

Answer:

$(d)$ $\frac{4}{8}>\frac{2}{6}$

Step-by-step explanation:

Given

$\frac{1}{4}$

$\frac{5}{10}$

$\frac{1}{2}>\frac{1}{3}$

$\frac{4}{8}>\frac{2}{6}$

$\frac{3}{5}>\frac{4}{5}$

Required

Select the unit fractions

If we are to go by what a unit fraction means: it means that the numerator of the fraction must be 1 and must be written as a single fraction i.e. $\frac{1}{2}$  and not as an inequality i.e.  $\frac{3}{5}>\frac{4}{5}$ 

Given the format of the question, what is required of the question is to select all correct inequality.

$(a)$ $\frac{1}{4}$

Convert to decimals

$0.25 < 0.167$ ---- This is not true because $0.25 > 0.167$

$(b)$ $\frac{5}{10}$

Convert to decimals

$0.5 < 0.5$ ---- This is not true because $0.5 = 0.5$

$(c)$ $\frac{1}{2}>\frac{1}{3}$

Convert to decimals

$0.5 > 0.33$ ---- This is true

$(d)$ $\frac{4}{8}>\frac{2}{6}$

Convert to decimals

$0.5 > 0.33$ ---- This is true

$(e)$ $\frac{3}{5}>\frac{4}{5}$

$0.6 > 0.8$ --- This is not true because $0.6 < 0.8$

So: the true inequality is:

$(d)$ $\frac{4}{8}>\frac{2}{6}$

6 0

3 years ago

Identify the most reasonable unit to measure the volume of a neighborhood

daser333 [38]

Answer:

I think you mean area, but acres

3 0

3 years ago

A line has a slope of -4/5. Which ordered pairs could be points on a line that is perpendicular to this line?

11Alexandr11 [23.1K]

Answer:

(5,4) & (8,-10)

Step-by-step explanation:

First step:

$y=mx+b$

You can use any number you want for b (I used 4)

$y=-\frac{4}{5} x+4$

Make x=0

$y=-\frac{4}{5} (0)+4$

$y=4$

Make y=0

$0=-\frac{4}{5} x+4$

Subtract 4 from both sides

$-4=-\frac{4}{5} x$

Divide both sides by $-\frac{4}{5}$

$x=5$

Second step:

In order to make a line perpendicular to another the slope of the second line will be the negative inverse of the first line. So $m=-\frac{4}{5}$ will be $m=\frac{5}{4}$ for the second line.