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sineoko [7]
2 years ago
9

25 pts. : Directions: Complete this review of lessons 3-1 & 3-2. There are 25 questions in total.

Mathematics
1 answer:
shepuryov [24]2 years ago
5 0

Answer:

600 x 60 = 36,000

50 x 50 = 2,500

1,000 x 3 = 3,000

70 x 80 = 5,600

100 x 300 = 30,000

20 x 40 = 800

90 x 90 = 8,100

9 x 900 = 8,100

500 x 300 = 150,000

1,000 x 5 = 5,000

125 - 100

770 - 800

364 - 400

923 - 900

755 - 800

Step-by-step explanation:

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Hey guys help my please !!Q 4,6,7
padilas [110]
Q4, 4y²=60
y=√15 ( i am not sure)
q6, (5+y) ²=81
5+y=9
y=4
q7 (x+4) (x) =77
x²+4x-77=0
(x+11) (x-7) =0
x=-11(rej) or x=7
therefore ,length= 7+4=11cm
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6 0
3 years ago
HELP ME QUICK <br> Solve for w.<br> P=2w + 2t
Strike441 [17]

Answer:

w=p/2-t

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME???<br> ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
OLEGan [10]

Answer:

Option D, AP

Step-by-step explanation:

<u>The two sides that are connected by the right angle are called the sides.  The longest one that is not connect with a right angle is called the hypotenuse.</u>

<u />

In this case, the sides are AZ and PZ.  <em>The hypotenuse is AP</em>

<em />

Answer:  Option D, AP

6 0
3 years ago
Seventeen candidates have filed for the upcoming county council election. 7 are women and 10 are men a) Is how many ways can 10
tankabanditka [31]

Answer: (a) 19448 ways

(b) 5292 ways

(c) 0.2721

Step-by-step explanation:

(a) 10 county council members be randomly elected out of the 17 candidates in the following ways:

= ^{n}C_{r}

= ^{17}C_{10}

= \frac{17!}{10!7!}

= 19448 ways

(b) 10 county council members be randomly elected from 17 candidates if 5 must be women and 5 must be men in the following ways:

we know that there are 7 women and 10 men in total, so

= ^{7}C_{5} × ^{10}C_{5}

= \frac{7!}{5!2!} × \frac{10!}{5!5!}

= 21 × 252

= 5292 ways

(c) Now, the probability that 5 are women and 5 are men are selected:

= \frac{ ^{7}C_{5} * ^{10}C_{5}}{^{17}C_{10}}

= \frac{5292}{19448}

= 0.2721

8 0
3 years ago
What two number multiply to equal 28 but add up to equal 13?
makkiz [27]
Here the answer is http://prntscr.com/amkn6t thank you


6 0
3 years ago
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