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Anastasy [175]
3 years ago
6

Using six random samples, the average number of catfish in the samples was 5.7. If the total population of fish in the pond is 2

00, the proportion of catfish in the pond will be 5.7 20 = x 200 . What is the predicted number of catfish in the pond? 50 POINTS
Mathematics
2 answers:
lutik1710 [3]3 years ago
5 0

Answer:10

Step-by-step explanation:

larisa [96]3 years ago
4 0

Answer:

57

Step-by-step explanation:

Just took the assignment

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If quadrilateral PQRS is a rectangle, then which of the following is true?
brilliants [131]

∠STP ≅ ∠QTR is the True statement ⇒ answer C

Step-by-step explanation:

In any rectangle

1. Each two opposite sides are equal and parallel

2. The measure of its vertex angles is 90°

3. The two diagonals are equal

Now lets find the true statements

∵ PQRS is a rectangle

∴ PS = QR ⇒ opposite sides

∴ PQ = SR ⇒ opposite sides

∴ PR = QS ⇒ diagonals

A.  ∠PSQ ≅ ∠QSR

∵ The diagonals of the rectangle do not bisect the vertex angles

∴ AQ does not bisect angle S

∴  m∠PSQ ≠ m∠QSR

∴  ∠PSQ not congruent ∠QSR

∠PSQ ≅ ∠QSR ⇒ False

B. segment SR ≅ segment RQ

∵ SR and RQ are two adjacent sides

∵ The adjacent side in the rectangle not equal

∴ SR ≠ QR

∴ segment SR not congruent to segment RQ

segment SR ≅ segment RQ ⇒ False

C. ∠STP ≅ ∠QTR

∵ PR intersects QS at point T

∴ m∠STP = m∠QTR ⇒ vertically opposite angles

∴ ∠STP ≅ ∠QTR

∠STP ≅ ∠QTR ⇒ True

D. segment PS ≅ segment PR

∵ PS is a side in the rectangle

∵ PR is a diagonal in the rectangle

∵ The side of the rectangle not equal the diagonal of the rectangle

∴ PS ≠ PR

∴ segment PS not congruent to segment PR

segment PS ≅ segment PR ⇒ False

∠STP ≅ ∠QTR is the True statement

Learn more:

You can learn more about rectangle in brainly.com/question/6594923

#LearnwithBrainly

8 0
3 years ago
Read 2 more answers
What expression is equivalnt to x +14 +9x-5
elena55 [62]
10x+9 hope it helps
5 0
3 years ago
Simplify using order of<br> operations.<br> 4x3:22
Sveta_85 [38]

Answer:

4 \times 3 \div 22 = 4 \div 22 \times 3 = 2 \div 11 \times 3 = 6 \div 11

4 0
3 years ago
Round 4806 to the nearest 1000?
grandymaker [24]
If you want to round to the nearest thousand, you cannot look at the thousands place to round.  You will have to look at the number in the hundreds place.  The rules of rounding are 
<em>5 and above-round up.  Example-2743.  7 is greater than 5, so 2743 rounded to the nearest thousand is 3000.
</em>
<em>4 and below-round down.  Example-4390.  Three is less than 5, so 4390 rounded to the nearest thousand is 4000.  
</em>
Apply these rules to your problem.  8 is greater than 5.  So we will round up.  You get 5000.<em>

</em>
7 0
3 years ago
Read 2 more answers
Can someone help me with algebraic method
Lina20 [59]

Answer:

<em>x = -8; y = 0</em>

Step-by-step explanation:

x + 2y = -8

3x - 4y = -24

We will use the substitution method.

Solve the first equation for x.

x = -8 - 2y

Replace x of the second equation with <em>-8 - 2y</em>, and solve for y.

3<em>x</em> - 4y = -24

3<em>(-8 - 2y)</em> - 4y = -24

-24 - 6y - 4y = -24

-24 - 10y = -24

-10y = 0

y = 0

Now we substitute 0 for y in the first original equation and solve for x.

x + 2y = -8

x + 2(0) = -8

x + 0 = -8

x = -8

Solution: x = -8; y = 0


4 0
3 years ago
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