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3 years ago

11

Solve: 3x - 7 - 2x + 5 = 6 A) -8 B) - 18 5 C) 4 D) 8

1 answer:

seropon [69]3 years ago

7 0

Answer:

D) 8

Step-by-step explanation:

3x - 7 - 2x + 5 = 6

3x - 2x = 6 + 7 - 5

x = 8

Note: 6 + 7 -5 = 13 -5 = 8

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Hi pls help. pls explain a bit thank you:)

DIA [1.3K]

Answer:

$a^3b^2c^6$

Step-by-step explanation:

$n^x*n^y=n^{x+y}$

so

$a^6*a^{-3}*a^0=a^{6-3+0}=a^3$

$b^3*b^1*b^{-2}=b^{3+1-2}=b^2$

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put it all together

$a^3b^2c^6$

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3 years ago

The base of an isosceles triangle is 2 cm. The perimeter of the triangle is 10 cm.

cluponka [151]

Answer and Step-by-step explanation:

$Greetings!$

$Let's~solve~your~question!$

$To~find~the~length~of~equal~sides~of~an~isosceles~triangle,~we~use~the~following\\formula.$

$\boxed{~P=2a+b~}$

$Now,~solving~for~``a":$

$P=\frac{P}{2} -\frac{b}{2}$

$=\frac{10}{2}-\frac{2}{2}$

$=5-1$

$=4$

$Thus,~each~equal~sides~of~an~isosceles~triangle~is~4cm.$

$Hope~my~answer~helps~and~have~a~blessed~day~ahead!$

$-Isabelle~Williams$

8 0

3 years ago

How do outliers affect the mean of a data set?

lord [1]

Answer:

D is your answer Outlier An extreme value in a set of data which is much higher or lower than the other numbers.

Step-by-step explanation:

Outliers affect the mean value of the data but have little effect on the median or mode of a given set of data

3 0

2 years ago

A 25 kg rock , is raised to the top of a hill 10 m high. What is the PE of the rock ?

nexus9112 [7]

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$Potential \: \: Energy =(mass) \times (gravity \: acceleration) \times (height) \\$

_________________________________

If gravity acceleration is 10 :

$PE = 25 \times 10 \times 10$

$PE = 2500$

_________________________________

If gravity acceleration is 9.8 :

$PE = 25 \times 9.8 \times 10$

$PE = 25 \times 98$

$PE = 2450$

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3 0

3 years ago

After 9 months, the simple interest earned on an investment of $1200 is $72. find the interest rate.

Deffense [45]

Use the formula i=prt, where i is the interest earned, p is the principal, r is the rate (as a decimal fraction) and t is the elapsed time, in years.

Here i = $72 = $1200 r (9/12) (9 months is 9/12, or 3/4, of 1 year)
Reducing,
$72 = $900r
Solving for r, r=0.08, or 8 percent per year.

7 0

3 years ago