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2 years ago

Escribe 18 en palabras tal y como la escribirías en tu cheque

Mathematics

2 answers:

Semmy [17]2 years ago

4 0

Answer:

Diez y ocho y 00/100.

Wittaler [7]2 years ago

4 0

Answer:

diez y ocho y <u>00</u>

100

Step-by-step explanation:

el 00/100 no es nada como 0 sobre una fracción no es nada

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A triangle has an area of 38.4 cm2. The

lisov135 [29]

Answer:

6cm

Step-by-step explanation:

$A = \frac{h_b b}{2}$

$38.4 = \frac{12.8_b b}{2}$

$b = 2\frac{A}{h_b}$

$b = 2\frac{38.4}{12.8}$ = 6

8 0

3 years ago

Tony took a math quiz last week. There were 80 problems on the quiz and Tony answered 70% of them correctly. How many problems d

Nutka1998 [239]

Answer:

56 problems

Step-by-step explanation:

So we already know that the answer is: 56. However, a good help is knowing how to obtain this answer from the data provided.

Tony's quiz had 80 questions

Tony correctly answered 70% of them.

We can always write a percentage amount as a ratio by dividing the amount by 100.

$70\% = \frac{70}{100} = 0.7$ .

This means that for every 100 questions, tony will respond correctly 70.

So, if Toni did a questionnaire of n questions, the amount that will answer correctly is calculated by the following expression:

$C = n*\frac{70}{100}$

If $n = 80$ then:

$C = 80 * \frac{70}{100}\\\\C = 56$

7 0

3 years ago

Read 2 more answers

Find the equation of the line that passes through the pair of points. (-5,3) (-5,0)

sladkih [1.3K]

Answer:

x = -5

Step-by-step explanation:

Note that x does not change. Hence, this line is a vertical one, and its slope is undefined. The line is defined by the equation x = -5.

8 0

3 years ago

27 miles per hour. how many miles per minute in decimal form?

maxonik [38]

1 hour = 60 minutes

27/60 = 0.45 miles per minute

7 0

3 years ago

What is the inverse of g? <br> g(x) = 3/x+7

ikadub [295]

Given function :-

$\bf \implies g(x) = \dfrac{3}{x}+7$

To find its reverse , substitute y = g(x) .

$\bf \implies y = \dfrac{3}{x}+7$

Interchange x and y .

$\bf \implies x = \dfrac{3}{y}+7$

Solve for y .

$\bf\implies \dfrac{3}{y}= x -7 \\\\\bf\implies y =\dfrac{3}{x-7}$

Replace y with f-¹(x) .

$\implies\boxed{\red{\bf f^{-1}(x) = \dfrac{3}{x-7} }}$

6 0

2 years ago