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Julli [10]
3 years ago
5

Use the information in the table to answer the question. A 3-column table has 1 row. The first column is labeled Species with en

try Goldfish. The second column is labeled Mean with entry 7 inches. The third column is labeled Standard Deviation with entry 1.2 inches. What percentage of goldfish will have lengths between 4.6 inches and 9.4 inches?
Mathematics
2 answers:
lys-0071 [83]3 years ago
8 0

Answer:

95%

Step-by-step explanation:

Edge 2020

Ugo [173]3 years ago
7 0

Answer:

94% so C

Step-by-step explanation:

I did the assignment

Hope it helps

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The figure shows the graph of image, a translation of the parent function g(x) = . How is the graph of the parent function trans
kati45 [8]
The answer i believe is c
5 0
3 years ago
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two adjacent angles of a parallelogram are in the ratio 5:2: . find all the angles of the parallelogram​
kicyunya [14]

<h2>Given :-</h2>

  • Two adjacent angles of a parallelogram are in the ratio of 5 : 2.

<h2>To Find :-</h2>

  • What is the all angles of the parallelogram.
<h3 /><h3 /><h2>Solution :-</h2>

Let, the first angles be 5x

And, the second angles will be 2x

As we know that,

★ Sum of all angles = 180° ★

According to the question by using the formula we get,

  • ⇒ 5x+2x=180°

  • ⇒7x=180°

  • ⇒ \sf x =\: \dfrac{\cancel{180^{\circ}}}{\cancel{7}}

  • ➠ \sf\bold{\red{x =\: 25.7^{\circ}}}

Hence, the required angles are,

  • First angles = 5x = 5(25.7°) = 128.5°
  • Second angles = 2(25.7°) = 51.4°

As we know that, 

opposite angles in a parallelogram

is equal.

∴ The all angles of a parallelogram is 128.5°,51.4°, 128.5° and 51.4°.

6 0
3 years ago
Find the nth term of this quadratic sequence 7,16,25,34,43
GalinKa [24]

Answer:

52

Step-by-step explanation:

everytime it adds by 9:

7+9=16

16+9=25

25+9=34

34+9=43

<u>43+9=52</u>

6 0
3 years ago
The length of a rectangle is the width minus 8 units. The area of the rectangle is 9 units. What is the length, in units, of the
frez [133]

Length of rectangle is 1 unit  

<u>Solution: </u>

Given that  

Length of a rectangle is width minus 8 units.

Area of rectangle = 9 square units

Need to calculate the length of rectangle.

Let us assume width of rectangle = x

As Length is width minus 8,  

Length of the rectangle = x – 8

\text{ Area of rectangle }=\text{ width of rectangle }\times \text{ Length of the rectangle }

\text{ Area of rectangle }= x\times (x-8)

\text { Area of rectangle }=\left(x^{2}-8 x\right)

As given that area of rectangle = 9 square units

\begin{array}{l}{\Rightarrow x^{2}-8 x=9} \\\\ {\Rightarrow x^{2}-8 x-9=0}\end{array}

On solving above quadratic equation for x, we get

\begin{array}{l}{\Rightarrow x^{2}-9 x+x-9=0} \\\\ {\Rightarrow x(x-9)+1(x-9)=0} \\\\ {\Rightarrow (x-9)(x+1)=0}\end{array}

When x-9 =9, x = 9

When x + 1 = 0, x = -1

As width cannot be negative, so considering x = 9  

\text{ Length of rectangle }= x-8 = 9-8 = 1 \text{ unit }

Hence, Length of rectangle is 1 unit.

5 0
3 years ago
6th grade math! Help me please :))
lara31 [8.8K]

Answer:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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