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Dima020 [189]
2 years ago
11

Olivia guessed on the last three questions on her science quiz. If each question that had four choices, what is the probability

that she got all three correct?
Mathematics
2 answers:
Masteriza [31]2 years ago
7 0
=0.25x0.25x0.25
=0.0156
AveGali [126]2 years ago
4 0

Answer:

25% or 1/4

Step-by-step explanation:

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What is the solution to the system?<br> 8x + 4y = 12<br> y = -2x + 3
elena-s [515]

Answer:

Step-by-step explanation:

use substitution and solve this 8x+4(-2x+3)=12

with the 4 distributed its

8x-8x+12=12

then you can cancel out the 8x and -8x and switch the 12 over into a -12 canceling out the 12s making it x=0

6 0
2 years ago
On Monday a Farmer sold 25196 pounds of potatoes on tuesday he sold 18023pounds on Wednesday he sold some more potatoes in all h
arlik [135]

Answer:

<em>estimated sales on Wednesday is 19000 pounds.</em>

<em></em>

Step-by-step explanation:

On Monday, he sold 25196 pounds. Estimated to the nearest thousand that is 25000 pounds.

On Tuesday, he sold 18023 pounds. Estimated to the nearest thousand, that is 18000 pounds

Wednesday's sales is unknown. We designate as x

All in all he sold 62409. Estimated to the nearest thousand, that is 62000

The sales on Monday, plus sales on  Tuesday, plus sales on Wednesday, must all sum up to the total sales.

25000 + 18000 + x = 62000

43000 + x = 62000

x = 62000 - 43000 = 19000

therefore <em>estimated sales on Wednesday is 19000 pounds.</em>

3 0
3 years ago
Quadrilateral HGEF is a scaled copy of quadrilateral DCAB. What is themeasurement of lin EG?
lozanna [386]

Answer:

14 units

Explanation:

If quadrilaterals HGEF and DCAB are similar, then the ratio of some corresponding sides is:

\frac{FH}{BD}=\frac{EG}{AC}

Substitute the given side lengths:

\begin{gathered} \frac{6}{3}=\frac{EG}{7} \\ 2=\frac{EG}{7} \\ \implies EG=2\times7 \\ EG=14 \end{gathered}

The measurement of line EG is 14 units.

3 0
1 year ago
HELP!! Jamaal bounces on a trampoline. His height, as a function of time, is modeled by y= -16x2(power of 2) + 20x + 4.
Harrizon [31]

Answer:

B the function is nonlinear

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Alex has collected apples. It has 40 boxes of 8.5 kg each and 6 sacks of 90kg each. Pack the apples in bags of 2.5 kg each. how
zimovet [89]

Answer:

40*8.5=340

6*90=540

total=880/2.5=352bags

3 0
3 years ago
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