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3 years ago

Help on this please, i dont get this problem.

Mathematics

1 answer:

Ahat [919]3 years ago

5 0

Answer:

Step-by-step explanation:

Look at the picture.

We have two rectangles:

15cm × 2cm and 7cm × 1cm.

Calculate the areas:

A₁ = 15 · 2 = 30 cm²

A₂ = 7 · 1 = 7 cm²

The area of the figure:

A = A₁ + A₂ → A = 30 cm² + 7 cm² = 37 cm²

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PLZ HELP THIS IS HARD I WILL FIVE BRAINLIEST

bagirrra123 [75]

Answer:

$2\frac{1}{3}\: ft$

Step-By-Step Explanation:

$Height\: of \:sail = 1\frac{1}{6}\: ft = \frac{7}{6}\: ft\\Base\: of \:sail = 4\: ft \\Area\: of \:sail =\frac{1}{2} \times base \times height\\=\frac{1}{2} \times \frac{7}{6} \times 4\\= \frac{7}{6} \times 2\\=\frac{7}{3}\\=2\frac{1}{3}\: ft$

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3 years ago

What are the x intercepts is the function f(x)= x^2 + 3x-4

Paladinen [302]

Answer:

(1,0)(-4,0)

Step-by-step explanation:

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3 years ago

You have a mean score of 84 after taking five 100-point tests. What do you need to score on the sixth 100-point test to have a m

kap26 [50]

The mean of n numbers is the sum of the numbers divided by n.

You have a mean score of 84 after taking 5 tests. Let x be the sum of scores.
$\frac{x}{5}=84 \\
x=84 \times 5 \\
x=420$
You scored a total of 420 points on five tests.

You need to have a mean score of 85 after taking 6 tests. Let y be the score you need to obtain. Your total score on 6 tests is 420+y.
$\frac{420+y}{6}=85 \\
420+y=85 \times 6 \\
420+y=510 \\
y=510-420 \\
y=90$

You need to score 90 points on the sixth test.

8 0

3 years ago

Read 2 more answers

The quotient of j and 8" can be expressed as:

Umnica [9.8K]

J/8: the quotient of two numbers is one over the other, or divide.

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3 years ago

What is 1/3 + 1/2<br>*please help*

Tom [10]

$\frac{1}{3}+\frac{1}{2}$

Re-write with common denominator, in this case 6:

$\frac{1 \times 2}{3 \times 2}+\frac{1 \times 3}{2 \times 3}$

Add:
$\frac{2}{6}+\frac{3}{6}=\frac{5}{6}$

7 0

4 years ago

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