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finlep [7]
4 years ago
15

Evaluate the expression 7x2y, when x = 3 and y = 4. 168 252 336 794

Mathematics
1 answer:
alex41 [277]4 years ago
3 0

(7)(3)(2)(4)=

(21)(8)=

(168)

168 is answer

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A kangaroo hooped 3,520 yards to the lake with her baby in her pouch. She hopped the remaining 5,280 yard without her baby in he
Akimi4 [234]

Answer:

5 miles

Step-by-step explanation:

since she hopped in yards you must mulitiply both numbers 3520 and 5280 by 3 since there are three feet in a yard. then add together then divide the sum by 5280 since a mile is 5280 feet.

3520 X 3 = 10560

5280 X 3 = 15840

10560 + 15840 = 26400

26400/ 5280 = 5

5 0
3 years ago
One and a half x + 3/4 x equals 5/8
USPshnik [31]
1 and 1/2x+3/4x=5/8
combine x's
1 and 1/2x=4/4x+2/4x=6/4x
6/4x+3/4x=5/8=9/4x
9/4x=5/8
multiply both sides by 8
18x=5
x=5/18

x=5/18 or aprox 0.277777777777

5 0
4 years ago
Read 2 more answers
Suppose that X is a binomial random variable with n = 10 and p = 0.25. Find P 2).
goblinko [34]

Answer:

0.3582 0.3600 x is the binomial random variable

3 0
3 years ago
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Solve to find missing length
shutvik [7]

Answer:

m = 4\sqrt 3\\n = 6

Step-by-step explanation:

\tan \: 60 \degree =  \frac{n}{2 \sqrt{3} }  \\  \\  \sqrt{3}  = \frac{n}{2 \sqrt{3} }   \\  \\ n =  \sqrt{3}  \times 2 \sqrt{3}  \\  \\ n = 2 \times 3 \\  \\ \huge \red { \boxed{ n = 6}} \\  \\  \cos \: 60 \degree =  \frac{2 \sqrt{3} }{m}  \\  \\  \frac{1}{2}  = \frac{2 \sqrt{3} }{m}   \\  \\ m = 2 \times 2 \sqrt{3}  \\  \\ \huge \purple{ \boxed{ m = 4\sqrt{3} }}

6 0
3 years ago
The results of a survey of 150 students about whether they
elena-14-01-66 [18.8K]

Answer:

its either quantitive data ( numerical measurements) or categorical data (cannot be expressed using numbers)

Two way frequency table: Pairs categorical values to list frequencies  

Step-by-step explanation:

For example: One hundred students were surveyed about which beverage they chose at lunch. Some of the results are shown in the two-way frrequency table below.

Lunch Bevarage

genders               Juice.           Milk.         Water.     Total

Girl :                     10                  13              17            40

Boy:                     15                  24             21            60

Total:                   25                 37             38      =    100

7 0
3 years ago
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