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3 years ago

Pls help as fast as u can

Mathematics

2 answers:

Natasha_Volkova [10]3 years ago

8 0

Answer:

Step-by-step explanation:

a)4.67

b) 2.27

do you not have a calculator? :/

Dima020 [189]3 years ago

4 0

Answer:

a. $2.2

b. $2.2

Step-by-step explanation:

Not completely sure if it's right for part b, but 100% sure my answer for part a is right.

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Solve the expression x + 3 = 7

Daniel [21]

Answer:

x=4

Step-by-step explanation:

think of the equation like this: you have to do the inverse(opposite) operations so for adding you would subtract it. So for the adding 3 you would subtract it from both sides of the equation and get X=4

6 0

4 years ago

.John has $40. He will use some of the money to buy books, and he wants to have at least $10 left to put in his savings account.

Crank

Answer:

The required inequality is $40-6b\leq 10$ .

Jhon can buy at most 5 books.

Step-by-step explanation:

Consider the provided information.

Part(A)

Let b represent the number of books John buys.

He wants at least $10 in his savings account which means if we subtract the cost of books from $40 we have at least $10 left.

$40-6b\leq 10$

The required inequality is $40-6b\leq 10$ .

Part(B)

$40-6b\leq 10$

$-6b\leq 10-40$

$b \leq\frac{30}{6}$

$b\leq 5$

Part(C): Jhon can buy at most 5 books.

3 0

3 years ago

Can you please help me

Ket [755]

Answer:

Lauren

220
440
660
880
1100
1320

Harold

Step-by-step explanation:

Multiply values by the number of months.

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0

3 years ago

Question 7

serg [7]

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

Given - a cone with volume 769?3 ft³ , having a height of 15 ft

To calculate - radius of the cone

We know that ,

$\bold{Volume \: of \: cone = \frac{1}{3}\pi \: r {}^{2} h }\\$

substituting the values in the formula stated above ,

$\bold{769.3 = \frac{1}{3} \times 3.14 \times r {}^{2} \times 15} \\ \\\bold{\implies r {}^{2} = \frac{769.3 \times 3}{3.14 \times 15} } \\ \\\bold{\implies r {}^{2} = \cancel\frac{2307.9}{47.1}} \\ \\\bold{ \implies \: r {}^{2} = 49} \\ \\ \bold{\implies \: r = 7 \: ft}$

therefore ,

radius = 7 cm

hope helpful ~

4 0

2 years ago

Simplify the expression. 0.24 – 1.6

lukranit [14]

Answer:

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers