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3 years ago

Which of the following statements is false?

Mathematics

1 answer:

gulaghasi [49]3 years ago

5 0

B is false. We know it can't be D, because that is a true statement. C is also true. Leaves A or B.

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Find the value of x<br> in this polygon

dem82 [27]

Answer: x=50

Explanation:-

Exterior angles of all polygons add up to 360 degrees.
So, x+20+x+40+2x+2x=360
x+x+2x+2x+20+40=360
6x+60=360
6x=360-60
.:6x=300
x=300/6
x=50

3 0

3 years ago

Find the equation of the line that passes through (3, 1) and has a y-intercept of –2.

katen-ka-za [31]

Answer:

$1 = m$

Step-by-step explanation:

1 = 3[1] + b

$\displaystyle -2 = b \\ \\ y = x - 2$

Therefore our <em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>] is authentic.

I am joyous to assist you anytime.

6 0

3 years ago

A semi-truck is carrying 555 bags of chips. If each bag of chips has 321 chips, how many chips are in the semi-truck?

klemol [59]

The answer is 178,155

4 0

3 years ago

If 2x + 5 = 8x, then 12x = ?A.5B.10C.15D.20

butalik [34]

<h2>Answer:</h2> $10.\text{ Option B is correct}$

<h2>Explanation:</h2>

Given the equation expressed as:

$2x+5=8x$

First, we need to calculate the value of "x" from the given expression.

Step 1: Given the equation 2x + 5 = 8x

Step 2: Subtract 5 from both sides:

$\begin{gathered} 2x+5-5=8x-5 \\ 2x+\cancel{5}-\cancel{5}=8x-5 \\ 2x=8x-5 \end{gathered}$

Step 3: Subtract 8x from both sides

$\begin{gathered} 2x-8x=8x-8x-5 \\ -6x=\cancel{8x}-\cancel{8x}-5 \\ -6x=-5 \end{gathered}$

Step 4: Divide both sides by -6

$\begin{gathered} \frac{-6x}{-6}=\frac{-5}{-6} \\ x=\frac{5}{6} \end{gathered}$

Step 5: Get the value of 12x. Substitute x = 5/6 into the expression to have:

$\begin{gathered} 12x=12(\frac{5}{6}) \\ 12x=\cancel{12}^2(\frac{5}{\cancel{6}^1}) \\ 12x=2\times5 \\ 12x=10 \end{gathered}$

Therefore the value of 12x is 10

3 0

1 year ago

Ariana wants to ride her bicycle 37 miles this week. She has already ridden 14 miles. If she rides for 5 more days, write and so

lakkis [162]

Answer:

4.6 miles for 5 days.

Step-by-step explanation:

37 - 14 = 23

23 divided by 5 = 4.6

7 0

3 years ago