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3 years ago

I cannot do this help please

Mathematics

1 answer:

IRINA_888 [86]3 years ago

5 0

The awnser is c mann

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If the monthly cost for 23 HCF is $48.31 , what is the monthly cost for 18 HCF?

ANEK [815]

$48.31/23=$2.10. $2.10x18=$37.81

8 0

3 years ago

If f(x) = 2x + 3 for all values of x, what is the value of f(-3)?

IrinaK [193]

Answer:

f(-3)= -3

Step-by-step explanation:

We are given the function:

f(x) = 2x+3

and asked to find f(-3). Essentially, we want to find f(x) when x is equal to -3.

Therefore, we can substitute -3 for each x in the function.

f(x)= 2x+3 at x= -3

f(-3)= 2(-3) +3

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition and Subtraction

Multiply 2 and -3.

f(-3) = (2*-3) +3

f(-3)= (-6)+3

Add -6 and 3.

f(-3)= (-6+3)

f(-3)= -3

If f(x)= 2x+3, then f(-3)= -3

7 0

3 years ago

Solve 12.01 x 5.21 please help me!

Stells [14]

Answer:

62,5721

Step-by-step explanation:

12,01 × 5,21

= 62,5721

4 0

3 years ago

17. Find the missing angle(s). soto \b Omg pls hurry I need help

Aleksandr-060686 [28]

Answer:

B = 50 & C = 130

Step-by-step explanation:

I really don't know how to explain but 180 - 50 = 130 for C and 50 is the measurement for B

3 0

3 years ago

Adrienne operates the milkshake machine at Burgers and Shakes. on Monday she added whipped cream to 210 shakes.This was 70% of t

Natalka [10]

Answer:

Total number of milkshakes sold on Monday = 300

Number of milkshakes without whipped cream = 90

Step-by-step explanation:

Given:

Adrienne adds whipped cream to 210 milk shakes which is 70% of the total milk shakes sold.

To find the total milkshakes sold.

Solution:

Let the total number of milkshakes sold on Monday be = $x$

Percentage of milkshakes with whipped cream added to them = 70%

Number of milk shakes with added whipped cream can be given as:

⇒ $70\% \textrm{ of the total number of milkshakes}$

⇒ $70\% x$

⇒ $\frac{70}{100}x$ [Representing percent in fraction form]

⇒ $0.7x$ [evaluating in decimals]

We know that the number of milkshakes with whipped cream added to them = 210.

So, we have:

$0.7x=210$

Solving for $x$

Dividing both sides by 0.7

$\frac{0.7x}{0.7}=\frac{210}{0.7}$

∴ $x=300$

Thus, total number of milkshakes sold on Monday = 300

Number of milkshakes without whipped cream = $300-210$ = 90

6 0

3 years ago