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charle [14.2K]
4 years ago
9

10 pts Solve for x. 7(x+14)=−343 Enter your answer in the box.

Mathematics
2 answers:
strojnjashka [21]4 years ago
8 0
Steps: 

distribute the 7:

7x + 98 = -343

subtract 98:

7x = -441

divide out 7:

x = -63
yaroslaw [1]4 years ago
4 0
7(x + 14) = -343

Simplify.

7x + 98 = -343

Subtract 98 from both sides.

7x = -343 - 98

Simplify.

7x = -441

Divide both sides by 7.

x = -63

~Hope I helped!~
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This is a graph of y=x2-5
PolarNik [594]

Answer:

Yes, it is a graph

Step-by-step explanation:

6 0
4 years ago
What is the probability that a person who is older than 35 years has a hemoglobin level between 9 and 11
lora16 [44]

Answer:

1. The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is 0.284.

2. The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is 0.531.

Step-by-step explanation:

Let the number of person who is older than 35 years has a hemoglobin level between 9 and 11 be x.

From the given table it is clear that the total number of person who is older than 35 years is 162.

76+x+40=162

x+116=162

x=162-116

x=46

The number of person who is older than 35 years has a hemoglobin level between 9 and 11 is 46.

1.

The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is

P=\frac{\text{Person who is older than 35 years has a hemoglobin level between 9 and 11}}{\text{Person who is older than 35 years}}

P=\frac{46}{162}\approx 0.284

The probability that a person who is older than 35 years has a hemoglobin level between 9 and 11 is 0.284.

2.

Person who is older than 35 years has a hemoglobin level  of 9 and above is

46+40=86

The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is

P=\frac{\text{Person who is older than 35 years has a hemoglobin level  of 9 and above}}{\text{Person who is older than 35 years}}

P=\frac{86}{162}\approx 0.531

The probability that a person who is older than 35 years has a hemoglobin level of 9 and above is 0.531.

4 0
3 years ago
Help me with this pls for 10 point and bright if right
enyata [817]

Step-by-step explanation:

help with what , you didnt attach anything ?

8 0
3 years ago
Read 2 more answers
Which exponential equation is equivalent to the logarithmic equation below?
ExtremeBDS [4]
<h3>Answer: Choice A) e^c = 4</h3>

=====================================

In general if we had something like x = ln(y), then it is equivalent to e^x = y or y = e^x. The Ln is a natural log that is the inverse of the base e exponent. It's a special kind of log.

In this case, x = c and y = 4

So we go from c = ln(4) to e^c = 4

note: Logs are often used to solve for equations with variables in the exponent.

4 0
3 years ago
Find the volume of a cone with a height of 6 in and a base radius of 4 in
Neko [114]

Answer:

The answer is

<h2>100.5 in³</h2>

Step-by-step explanation:

The volume of a cone is given by

V  =  \frac{1}{3} \pi {r}^{2} h

where

r is the radius

h is the height of the cone

From the question

h = 6 in

r = 4 in

The volume of the cone is

V  =  \frac{1}{3}  \times  {4}^{2}  \times 6\pi \\  =  \frac{1}{3}  \times 16 \times 6\pi \\  =  \frac{1}{3}  \times 96\pi \\  = 32\pi \\  = 100.530964

We have the final answer as

100.5 in³

Hope this helps you

5 0
3 years ago
Read 2 more answers
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