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3 years ago

What is 4h-8h simplified

Mathematics

1 answer:

tester [92]3 years ago

8 0

Answer:

it is -4h

step-by-step explanation:

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Peter the optician sees 16 patients one Tuesday.4 are neither short nor long sighted,the total number of short sighted patients

My name is Ann [436]

The number of short-sighted patients is 7

The number of long-sighted patients is 5

The number of patients requiring a varifocal lens is 4

Step-by-step explanation:

Stepwise solution-

Throughout the question, only 3 types of patients are mentioned. Hence, it would be safe to assume that he saw/sees these 3 types of patients on Tuesday.

As per the given details-

4 are neither short-sighted patients nor long-sighted patients. Then it means no of varifocal lens patients is 4.

Hence remaining total patients=16-4=12

As given, no of short-sighted patients is 2 more than the number of long-sighted patients.

Let us assume the number of long-sighted patients as “x”

Thus, the number of short-sighted patients would be “x+2”

x+(x+2)=12 (total remaining patients)

2x=10

x=5

Hence, No. of long-sighted outpatients = 5

No. of short-sighted outpatients =7

5 0

4 years ago

A sphere and cylinder have same radius and height the volume of cylinder is 27 which equation give volume of sphere

Troyanec [42]

Answer:

the answer is A≈9160.88

Step-by-step explanation:

A=4πr2=4·π·272≈9160.88418
where as a = area

4 0

4 years ago

Read 2 more answers

Write x as a logarithm in the following: 10^x=7

pochemuha

Answer:

x = log 7

Step-by-step explanation:

10^x=7

Take the log base 10 on each side

log10 (10^x)=log10 (7)

We dont need to write the 10, it is implied

log(10^x)=log (7)

The exponent goes out front since log a^b = b log a

x log 10 = log 7

log 10 = 1 since the base is 10 log10(10) =1

x = log 7

6 0

3 years ago

Read 2 more answers

Select steps that could be used to solve the equation 1 + 3x = -x + 4.

Tema [17]

For this case we have the following equation:

$1 + 3x = -x + 4$

We must solve the equation by following the steps below:

We subtract 1 from both sides of the equation:

$3x = -x + 4-1$

On the right side of the equation we have that different signs are subtracted and the sign of the major is placed:

$3x = -x + 3$

We add x to both sides of the equation:

$3x + x = 3\\4x = 3$

We divide between 4 on both sides of the equation:

$x = \frac {3} {4}$

Thus, the correct option is option B

Answer:

$x = \frac {3} {4}$

Option B

6 0

4 years ago

Read 2 more answers

A middle school took all of its 6th grade students on a field trip to see a play at a

Snezhnost [94]

Answer:

3550 (6th graders)

Step-by-step explanation:

71% of 5000=5000/100*71=3550students

4 0

3 years ago