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Simora [160]
3 years ago
11

3 Danica simplified tre following expression,

Mathematics
1 answer:
Scrat [10]3 years ago
7 0

Answer:

The answer is 42

Danica in the third step suddenly transformed 32 into 9.

so continuing from there.....

20-10+32

10+32

42

<Hope it helped!~❤️>

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A triangular bandana has an area of 46 square inches. The height of the triangle is 5 3 4 inches. Enter and solve an equation to
shutvik [7]

Answer: 16 inches

Step-by-step explanation:

The area of a triangle = bh/2

where b = base = unknown

h = height = 5 3/4 inches

Area = 46 inches²

Therefore, 46 = base × 5 3/4 / 2

Cross multiply

46 × 2 = base × 5 3/4

92 = base × 5 3/4

Base = 92 ÷ 5 3/4

Base = 92 ÷ 23/4

Base = 92 × 4/23

Base = 4 × 4

Base = 16 inches

8 0
3 years ago
What is the constant in the expression 9x +5y + 12
Ber [7]

Answer:

12

Step-by-step explanation:

6 0
3 years ago
Simplify (-8pst + 3prq + 14) - (7prq - 20 - 2pst)​
Anna [14]

Answer:

-6pst -4prq+34

hope it will help you

7 0
2 years ago
Write the equation of the linear relationship in slope-intercept form, using decimals as needed.
Vedmedyk [2.9K]

Answer:

y = -0.3x + 103

Step-by-step explanation:

✔️Find the slope (b):

Slope = ∆y/∆x

Using, (25, 95.5) and (35, 92.5),

Slope (m) = (92.5 - 95.5)/(35 - 25) = -3/10 = -0.3

✔️Find the y-intercept (b):

Substitute (x, y) = (25, 95.5) and m = -0.3 into y = mx + b

95.5 = -0.3(25) + b

95.5 = -7.5 + b

95.5 + 7.5 = b

103 = b

b = 103

✔️To write the equation, substitute m = -0.3 and b = 103 into y = mx + b

Thus:

y = -0.3x + 103

4 0
3 years ago
Write two other forms 80+7+0.9+0.03
yarga [219]
87.93
eighty seven and ninety-three hundreths
7 0
3 years ago
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