MATHEMATICS HIGH SCHOOL

What is the following number in decimal form?8.61 × 10 –8
a. 0.000000861
b. 0.0000000861
c. 8,610,000
d. 861,000,000

Answers

Answer 1
Answer: the correct answer is b

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Can someone help me with this question

Answers

Hi there!

Great question!

Looks like your camera was pointing toward question 6, so I'll answer that one.

First of all, we can substitute the x for the 2, since that value is given.

So, our equation would look something like this -

(14 - 2 * 2)/(5) :)

According to PEMDAS, we'll multiply the 2 by the 2. :P

2 × 2 = 4

Next, we're supposed to subtract the 14 from 4.

14 - 4 = 10

Finally, we can divide 10 by 5, which leaves us with 2, aka answer choice C. :)

Hope this helps! :D
If you're talking about Question 6:

14 - 2x divide 5

2 is x, so 2*2=4

14 - 4 divide 5=

10 divide 5=

Answer: 2 , 3rd answer on the screenshot / C

Which expression is equivalent to (–3y – x) – (5y – 8x)?–8y – 8x
–8y + 7x
2y – 7x
8y + 8x

Answers

If you would like to find the equivalent expression to (-3y - x) - (5y - 8x), you can do this using the following steps:

(-3y - x) - (5y - 8x) = -3y - x - 5y + 8x = -8y + 7x

The correct result would be -8y + 7x.

Answer:

-8y + 7x.

Step-by-step explanation:

A football team loses 2 yards every 5 minutes. How many yards did the team lose after 15 minutes?

Answers

Answer:

6 yards

Step-by-step explanation:

Ln(x + 1) − ln(2) = 1

Answers

Answer:

The answer to your question is: x = 4.44

Step-by-step explanation:

Data

                                          ln(x + 1) − ln(2) = 1

                                          In (x + 1)/2 = 1

                                          (x + 1) / 2 = e¹      

                                          x + 1 = 2 (2.7183)

                                          x = 5.44 - 1

                                          x = 4.44        

7) The line plot below shows the weight(in tons) of boxes on pallets.
X
X X X
_________________
1/4 2/4 3/4 4/4


Each x = 1 Pallet
If the weight were redistributed evenly,
how much weight would be on each
pallet?

​

Answers

Answer:

Each pallet will have 7/16 tons of weight

Step-by-step explanation:

Calculate total weight: 2×1/4 + 2/4 + 3/4

                                    = 7/4 tons

total number of boxes= 4

so to divide the weigth evenly among all pallets: (7/4)÷ 4

                                                                              = 7/16 tons

The Jack In The Box franchise in Bangor, Maine, has determined that the chance a customer will order a soft drink is 0.90. The probability that a customer will order a hamburger is 0.60. The probability that a customer will order french fries is 0.50.The restaurant has also determined that if a customer orders a hamburger, the probability the customer will also order fries is 0.80. Determine the probability that the order will include a hamburger and fries.0.58
0.48
0.45
0.68

Answers

Answer: 0.48

Step-by-step explanation:

Given : The probability that a customer will order a hamburger P(H)= 0.60.

The probability that a customer will order french fries P(F)= 0.50.

The restaurant has also determined that if a customer orders a hamburger, the probability the customer will also order fries : P(F|H)= 0.80.

Using conditional probability formula , for any event A (first event) and B (second event), we have:-

P(B|A)=(P(A\cap B))/(P(A))\n\n\Rightarrow\ P(A\cap B)=P(A)*P(B|A)

Similarly, the probability that the order will include a hamburger and fries :-

P(H\cap F)=P(H)* P(F|H)\n\n=0.60*0.80\n\n=0.48

Hence, the probability that the order will include a hamburger and fries=0.48
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