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Eddi Din [679]
3 years ago
15

Please please please help.​

Mathematics
1 answer:
saul85 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

(-5,-3) is a point on the graph.

f⁻¹(-3) = -5

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4) FRIDAY: An unknown quantity which is represented by a letter or a symbol is called _____
lukranit [14]

Answer:

A Variable

Step-by-step explanation:

Variables are used to mark an unknown value. Common math problems ask you to solve for it.

For example in 5x+23=45, 'x' is the variable.

A constant is a number without a variable.

<em>Brainilest Appreciated. </em>

8 0
2 years ago
Help please! Use the area to find the value of x:
olga55 [171]

Answer:

x = 6

Step-by-step explanation:

A = 1/2bh

36 = 1/2(12)(x)

x = 6

3 0
2 years ago
In Nathan’s baseball card collection, 58% of cards are players from the National League. He has 702 baseball cards. About how ma
Bogdan [553]
Nathan has exactly 407 cards from national league however since you have to estimate with that rate the answer is 400.

702 (Total Cards) × 0.58 = 407. 16
407.16 (Rounded to 100) = 400

702 × 0.58 = 407.16 = 400

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5 0
3 years ago
If one of the short sides of a 45-45-90 triangle equals 5, how long is the hypotenuse?
Alla [95]

Answer:

hypotenuse= 2\sqrt{5}

Step-by-step explanation:

the triangle is equal tow side so it is two side =5 cm

then the hypotenuse by Phitagors theory the triangle hypotenuse =

\sqrt{5^{2} +5^{2} } = 2\sqrt{5}

5 0
3 years ago
huma has 4 bags of square inch tiles with 6 in each bag she uses them to meaure the area of a rectangle on her homework. ahter c
poizon [28]

Answer:

20 square inches

Step-by-step explanation:

No. of bags Huma has : 4

No. of tiles in one bag: 6

Total no . of tiles in 4 bag = 4 * No. of tiles in one bag

                                             = 4*6 = 24

No of tiles left with huma = 4

Let x be the no of tiles used to cover rectangle

Hence,

sum of no. of tiles left with huma and no of tiles used to cover rectangle should be equal to Total no . of tiles in 4 bag

mathematically

no. of tiles left with huma(4) + no of tiles used to cover rectangle (x) =  Total no . of tiles in 4 bag (24)

4 + x = 24

subtracting 4 from both sides

4 + x -4 = 24 - 4

=> x = 20

Thus, 20 square inches tiles are used to cover the rectangle.

This means that area of rectangle is 20 square inches .

6 0
3 years ago
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