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SVEN [57.7K]
3 years ago
7

True or false:

Mathematics
2 answers:
lesya692 [45]3 years ago
8 0

Answer:

true

Step-by-step explanation:

vlabodo [156]3 years ago
3 0

Answer:

true

Step-by-step explanation:

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The sum of two numbers is 45 and the different is 21.what are the numbers
ryzh [129]
A + b = 45
a - b = 21
a = 21 + b
Use substitution
21 + b + b = 45
2b = 24
b = 12
45 - 12 = 33
The numbers are 33 and 12
6 0
2 years ago
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Problem Set
insens350 [35]

5 liters (L) of 30% bleach solution contains 0.3×(5 L) = 1.5 L of bleach.

3 L of 50% bleach contains 0.5×(3 L) = 1.5 L of bleach, too.

Combined, you would have 8 L of solution containing 1.5 L + 1.5 L = 3 L of bleach, so the concentration of bleach is

(3 L) / (8 L) = 0.375 = 37.5%

7 0
3 years ago
50 points!!! Basic math!
tangare [24]

Formula for the area of the triangle:

1/2 bh

b = base

h = height

#6.

Area = 36 in²

Base = 18 in

36 = 1/2(18)h

36 = 9h

36 ÷ 9 = h

4 = h

height = 4 in

#7.

Area = 2 ft²

Height = 1 ft

2 = 1/2 b (1)

2 = 1/2 b

2 ÷ 1/2 = b

4 = b

Base = 4 ft

#8.

Area = 42 in²

Base = 12 in

42 = 1/2 (12) h

42 = 6h

42 ÷ 6 = h

7 = h

Height = 7 in

Notice that the answers have no exponents (²). That is because they are used only on the area of shapes as units.

Since you find the area by multiplying things together, for example x · x = x², the exponent is there.

You do not need to worry about this being in the calculation. This will just be in units such as:

cm²

ft²

in²

m²

Just remember to use these exponents in the units for the areas.

7 0
3 years ago
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What is P44 ? 16 24 4 1
sergejj [24]

Answer:

Page 44? you mean

Step-by-step explanation:

6 0
3 years ago
Which ordered pair is on the graph of the function? (-6, 4) (-1, 2) (-2, -4) (6, -3)
VikaD [51]

Answer:

(-6,4) hope that helps you it's that in the y there is two 4

8 0
3 years ago
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