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erica [24]
3 years ago
10

1.25 * 10-3* 8 * 10-5

Mathematics
1 answer:
Lunna [17]3 years ago
8 0

Answer:

350

Step-by-step explanation:

1.25*7*8*5=

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christina and her 2 friends spent $25.02 at there favorite restaraunt . if they split the cost equally how much will they each p
ad-work [718]

Answer:

$8.34

Step-by-step explanation:

Simply divide $25.02 by three, since three people are splitting the cost.

8 0
2 years ago
What is the area of the following circle? use 3.14 for pi and label your answer in units squared or square units.
Alenkinab [10]

Answer:

153. 86 units squared

Step-by-step explanation:

3. 14 x 7^2= 153. 86

4 0
3 years ago
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In right triangle DEF, ∠E is a right angle, m∠D=26∘, and DF=4.5.
jok3333 [9.3K]

Answer:

The measurement of EF is 1.98 units

Step-by-step explanation:

In Δ DEF

∵ m∠E = 90°

∴ FD is the hypotenuse of the triangle

∵ m∠D = 26°

∵ EF is opposite to angle D

- We can use the sine ratio to find it

∵ sin D = \frac{EF}{FD} ⇒ (opposite side / hypotenuse)

∵ FD = 4.5 units

∴ sin(26) = \frac{EF}{4.5}

- Multiply both sides by 4.5

∴ 4.5 sin(26) = EF

∵ sin 26° ≈ 0.44

∴ 4.5(0.44) = EF

∴ 1.98 = EF

The measurement of EF is 1.98 units

3 0
3 years ago
Valentina purchased 200 beads foe 48 dollars to make necklaces. If she needs to buy 25 more beads how much will she pay if she i
Allushta [10]
\bf \begin{array}{ccll}
beads&\$\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
200&48\\
25&x
\end{array}\implies \cfrac{200}{25}=\cfrac{48}{x}\implies x=\cfrac{25\cdot 48}{200}
4 0
3 years ago
-2x+3=9. What does x equal?
Dimas [21]

Answer:

<h2>x= -3</h2>

Step-by-step explanation:

- 2x + 3 = 9 \\  - 2x = 9 - 3 \\  - 2x = 6 \\  \frac{ - 2x}{ - 2}  =  \frac{6}{ - 2}

x =  - 3

3 0
3 years ago
Read 2 more answers
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