3 years ago

Can you please tell the answer of 398 x 74 I am just in grade 5 it's the multiply if you know help me

Mathematics

2 answers:

kow [346]3 years ago

6 0

Answer: write out 398 Then draw a line underneath and then multiply 7 by each

X. 7 Number in 398. do 7x8 then 7x9 then 7x3

Step-by-step explanation:

charle [14.2K]3 years ago

4 0

Answer:29,452

Step-by-step explanation:

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If A and B are mutually exclusive events, then P(A or B) = P(A) + P(B).

Korolek [52]

Answer:

P(A or B) = 25%

Step-by-step explanation:

P(A and B) = 30%

P(A) = 40%

P(B) = 15%

Apply given formula:

P(A or B) = P(A) + P(B) - P(AB)

= 40%+15+-30%

= 25%

8 0

3 years ago

Plz Help

Afina-wow [57]

We are asked in the problem to determine the value of x in the equation 4x² + 2x = 7 using completing the square method. in this case,

4x² + 2x = 7
x2 + 0.5 = 1.75
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(x + 0.25)^2 = 1.8125
x+0.25=1.3462
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x2 =-1.5962

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3 years ago

Please help me find out which value is closest to the perimeter of the window.

Snezhnost [94]

Answer:

10.35 is the closest to the perimeter of the window.

Step-by-step explanation:

hope it helps