All categories

2 years ago

4X + 3x + 2(3 + 6). Simplify *which one is the answer 7 + 18 7X + 18 7X + 12

Mathematics

2 answers:

den301095 [7]2 years ago

6 0

Yes I agree with the person

Oxana [17]2 years ago

5 0

7x+18 is the answer here

You might be interested in

A tent with a price of $165 is subject to a sales tax of 5%. What is the total price of the tent?

Svetllana [295]

the answer is $173.25( I had a question for this and i got it correct hope this helps)

7 0

3 years ago

The length of the shadow of a building is 150 meters, as shown below: The shadow of a building is 150 meters long. The acute ang

mafiozo [28]

So first you want to draw out you triangle and label everything so side a would be x, side b would be 15 and c would be x
next the angles need to be label
and finally the anwser is 150m

3 0

2 years ago

Read 2 more answers

Please help properties of exponents

defon

Answer:

Step-by-step explanation:

3. $c^{11}$ add exponents

4. $m^{60}$ multiply exponents

5. $x^{6} y^{18}$ distribute and multiply exponents

6. $-21 a^{47} *b$ multiply and then add exponents

7. $100 a^{14} b^{4} c^{12}$ distribute and multiply exponents

8. $n^{22}$ multiply and then add exponents

3 0

3 years ago

Making handcrafted pottery usually takes two major steps:wheel throwing and firing. The time of wheel throwing and thetime of fi

levacccp [35]

Answer:

a) $P(R$

And we can find this probability using the normal standard table or excel and we got:

$P(z$

b) $P(R>110)=P(\frac{R-\mu}{\sigma}>\frac{110-\mu}{\sigma})=P(Z>\frac{110-100}{3.606})=P(Z>2.774)$

And we can find this probability using the complement rule and the normal standard table or excel and we got:

$P(z>2.774)=1-P(Z$

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Part a

Let X the random variable that represent the time for the step 1 and Y the time for the step 2, we define the random variable R= X+Y for the total time and the distribution for R assuming independence between X and Y is:

$R \sim N(40+60 = 100,\sqrt{2^2 +3^2}= 3.606 s)$