PLEASE help with these math questions

Answers

Answer 1

Answer:

Hi there,

No. 1:

$64<68<81\Rightarrow √(64)<√(68)<√(81),\;or\;√(8^2)<√(68)<√(9^2)\Rightarrow\n\n\Rightarrow therefore\;8<√(68)<9.$

The answer is 8.2 ft, for sure.

Having this technique in mind, can you resolve the rest of 4 math questions, by yourself ? It is quite simple, isn't it ?

Green eyes.

Answer 2

Answer: to estimate
find the perfect squares above and below the target number
guess
example
sqrt of 99
9^2=81
10^2=100
99 is between 81 and 100, closer to 100 so therefor pick 10.9 or something

1.
if we estimate
8^2=64
that is close to 68
8.2^2 is probably closer sinnce is is bigger than 0.2

therefor the answer is A

2. estimate
12^2=144
13^2=169
148 is betwen 12 and 13
pick B

3. 114
square aera=side^2
10^2=100
11^2=121
see if it is more than 10.5 or less
which is closer 114
100 or 121
121 is closer
therefor we guess that it is greater and therefor we should guess 11 yards

4. area=side^2
196=side^2
luckily we remembered tat 14^2=196
1 side=14 ft
perimiter=4side
P=4*14=56 ft

5.
area=side^2
480=side^2
sqrt both sides
√480=√16√30=4√30
aprox sqrt 30
between 5 and 6, lookks like in middle
aprox 5.5
4*5.5
perimiter is times 4
4*4*5.5=16*5.5=80+8=88 feet
answer is D

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62% of what number is 186

Answers

Answer: 62% of 300 is 186

Step-by-step explanation:

62% of x = 186

62/100 x = 186

0.62x=186

×=300

Answer:

300

Step-by-step explanation:

Let the number be X

62/100 × X = 186

X = 186 × 100/62

X = 300

Joe has 45 minutes before he has to go to a soccer practice he spends 20 minutes eating a snack and the rest of the time doing his homework write an equation to express how long do spent doing homework

Answers

x+20=45 is the equation to express how long do spent doing homework.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given,

Joe has 45 minutes before he has to go to a soccer practice he spends 20 minutes eating a snack

Rest of the time doing his homework.

We need to form an equation to express how long do spent doing homework.

Let x be the time taken by Joe to make homework.

x+20=45

20 is the time taken for eating snack.

x=45-20

x=25

25 minutes is the time taken by Joe to make homework.

Hence, x+20=45 is the equation to express how long do spent doing homework.

To learn more on Equation:

brainly.com/question/10413253

#SPJ5

45-20=25 That's the answer

Use compatible numbers to estimate the quotient 315 divided by 8 answer quickly thank you!

Answers

315 is about 320 which is divisible by 8 320/8 is 40

Answer:

39.275 or 39 R 3

Step-by-step explanation:

Hope it helped!

Ryan collects animal figures he has 45 elephants 36 zebras and 18 Tigers he will arrange the figures into rows each row will have the same number of figures in all the figures in a row will be the same

Answers

9 because you have to find the common multiple for each number, and when you multiply 9x4 you get 36, 9x2 you get 18, and 9x5 is 45.

What are 2 possible dimensions for a rectangular prism with a surface area of 600 square inches

Answers

divide 600 by 3 and get 200 so the possible dimensions would be 200 by 200by 200

Which of the following statements are true regarding functions?Check all that apply.
A. The horizontal line test may be used to determine whether a
function is one-to-one.
B.A sequence is a function whose domain is the set of rational
numbers.
C. A function is a relation in which multiple values of the input
variable are paired with at least one of the output variable.
D.The vertical line test may be used to determine whether a relation
is a function.

Answers

Answer:

Step-by-step explanation:

The vertical line test, can be done with a pencil, and it's very simple. You run the object in a vertical position, horizontally across the graph, and if it hits two points on the same Y-Axis, your function is actually a relation, since functions are not allowed to have two coordinates on the same line.