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2 years ago

11

Q.2 The lengths of a triangle are 7 cm, 8 cm and 10 cm correct to the nearest cm. Work out maximum possible perimeter of the tri

angle.

1 answer:

masha68 [24]2 years ago

8 0

Step-by-step explanation:

7+8+10=25cm is the possibile perimeter of this

triangle.

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If the mean weight of 4 backfield members on the football team is 221 lb and the mean weight of the 7 other players is 202 lb, w

MatroZZZ [7]

Let $x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_{10}, x_{11}$ be the weight of i-th player.

1. If the mean weight of 4 backfield members on the football team is 221 lb, then

$\dfrac{x_1+x_2+x_3+x_4}{4}=221\ lb.$

2. If the mean weight of the 7 other players is 202 lb, then

$\dfrac{x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}}{7}=202\ lb.$

3. From the previous statements you have that

$x_1+x_2+x_3+x_4=221\cdot 4=884 \lb,\\ \\x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}=202\cdot 7=1414\ lb.$

Add these two equalities and then divide by 11:

$x_1+x_2+x_3+x_4+x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}=884+1414=2298\ lb,\\ \\\dfrac{x_1+x_2+x_3+x_4+x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}}{11}=\dfrac{2298}{11}=208\dfrac{10}{11}\ lb.$

Answer: the mean weight of the 11-person team is $208\dfrac{10}{11}\ lb.$

4 0

2 years ago

How do u solve X- 98=104

ra1l [238]

Answer: x=202

Step-by-step explanation:

1st: Add 98 to 104, this should give you your answer of x=202

3 0

2 years ago

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Marta walked 4.9 miles per hour for 0.57 hours. How far did she walk?

iragen [17]

Answer:

$\huge\boxed{\sf Distance = 2.793\ miles}$

Step-by-step explanation:

<u>Given Data:</u>

Speed = 4.9 mph

Time = 0.57 hours

<u>Required:</u>

Distance = ?

<u>Formula:</u>

Distance = Speed * Time

<u>Solution:</u>

Distance = 4.9 * 0.57

Distance = 2.793 miles

$\rule[225]{225}{2}$

Hope this helped!

<h3>~AH1807</h3>

7 0

3 years ago

What numbers would be in the in the 4 sections of a 2 x 2 array that shows the problem 19 x 11?

marishachu [46]

Answer:

number 2

Step-by-step explanation:

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3 years ago

Please help me im confused

slava [35]

Hello, the answer is 0

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2 years ago

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