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Stolb23 [73]
3 years ago
5

Here are two patterns made using identical rhombuses. Without using a protractor, determine the value of a and b. Explain or sho

w your reasoning in your workbook.

Mathematics
2 answers:
lesya692 [45]3 years ago
6 0
Answer

0 degrees

Explanation
Gennadij [26K]3 years ago
5 0
Answer is 0 dete Es
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F (x) = -3x + 2x – 5 Whatisf (-1)?​
eduard

Answer:

f(-1) = -4

Step-by-step explanation:

f(-1) simply means that what is f(x) when x = -1?

Just plug in -1 for <em>x</em> to find your answer:

f(-1) = -3(-1) + 2(-1) - 5

f(-1) = 3 - 2 - 5

f(-1) = 1 - 5

f(-1) = -4

7 0
3 years ago
Need help with this answer !!!
KengaRu [80]
To find the area of a rectangle, multiple the width by the length.

(And simply the fractions for a simpler equation)

For piece A:
The length 1 and 3/5 can be turned into an improper fraction by multiplying 1 by the denominator (5) and adding it to the numerator (3). 1 and 3/5 = 8/5


(3/4) • (8/5) = area

Multiple the numerators with each other and the denominators with each other (3 times 8 = 24) (4 times 5 = 20)

The area of piece A is 24/20

If you do the same for piece B:

(2/5) • (21/8) = area

The answer is 42/40
8 0
3 years ago
Read 2 more answers
You are saving money to buy a pair of pants that costs $53. You have saved $32. How much more money do you need to save?
Papessa [141]

Answer:

you need to save $21

4 0
1 year ago
Hypotenuse of triangle with sides of 36 and 39
worty [1.4K]

Answer: The hypotenuse is 53 (approximately)

Step-by-step explanation: In this question we shall apply the Pythagoras theorem which states that;

AC^2 = AB^2 + BC^2

Where AC is the hypotenuse and AB and BC are the two other sides. Having been given that the two other sides are 36 and 39 units respectively, the hypotenuse is now,

AC^2 = 36^2 + 39^2

AC^2 = 1296 + 1521

AC^2 = 2817

Add the square root sign to both sides of the equation

AC = 53.0754

Therefore the hypotenuse is approximately 53 units.

8 0
3 years ago
Find the radius of a cylinder with a volume 686mm2 and a height of 14mm​
shtirl [24]

Answer:

r = 3.95 mm (nearest hundredth)

Step-by-step explanation:

\textsf{volume of a cylinder} = \pi r^2h

(where r = radius and h = height)

Given, volume = 686 mm² and height = 14 mm:

686=\pi r^2\times14

\implies\pi r^2=686 \div14=49

\implies r^2=49 \div \pi

\implies r=\sqrt{49 \div \pi }=3.949327085...

\implies r=3.95 \ \textsf{mm}

8 0
2 years ago
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