Answer:
see explanation
Step-by-step explanation:
6 × 24 ← replace 24 by 4 + 20
= 6(4 + 20) ← multiply each term in the parenthesis by 6
= 24 + 120
= 124
40 because 3+6+12 = 21 and 8+11+21 =40
Answer:
1. 69°
2. 97°
3. 145°
4. 150°
5. 128°
6. 74°
Step-by-step explanation:
To find the angle measure of the missing angle, we have to note that the angle measures of a quadrilateral will all equal up to be 360°.
If we know 3 out of the 4 angles and the sum of the angles, we can add up the angles we know then subtract that from 360.
<em>Number 1:</em>


<em>Number 2:</em>
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<em>Number 3:</em>
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<em>Number 4:</em>
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<em>Number 5:</em>
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<em>Number 6:</em>
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<em><u>Hope this helped!</u></em>
Answer:
Step-by-step explanation:
we have
-----> equation A
----->
-----> equation B
Substitute equation B in equation A
solve for Y
Total number of marbles in the bag =20
Number of blue marbles =4
Now we just want two blue marbles out of four.
Probability of taking out first marble which is blue =4/20
Now after we took out one blue marble , number of blue marbles left are 3.
Probability of taking out second marble which is blue =3/20
Total probability = 4/20 *3/20 = 12/400
So probability of taking out two blue marbles is 0.03 or 12/400.