Answer:
8
Step-by-step explanation:
100-36=x^2
64=x^2
x=8
Answer:
Angle I = 90 degrees
Angle J = 61 degrees
Angle K = 29 degrees
Step-by-step explanation:
Angle I is given
We know that the angles in all triangles add up to 180. Since we are given that angle I is equal to 90 degrees, we now know that angle J + angle K = 90 degrees:
(5x+26) + (2x+15) = 90
Solve for X:
7x + 41 = 90
7x = 49
x = 7
Angle J = (5x + 26) = (5(7) + 26) = 61
Angle K = (2x + 15) = (2(7) + 15) = 29
Checking your work: 61 + 29 = 90
(4x10)=40
(2x1)=2
(7x0.1)=0.7
(3x0.001)=0.003
40+2+0.7+0.003=<u> 42.703</u>
Answer: There are 32 cards left to be signed
Step-by-step explanation:
Hi, the correct question is:
<em>The Smiths are sending out a batch of holiday cards. Emily signed 2/5 of the cards. Then Josh signed 1/9 of the remaining cards. Tatiana signed 20% of what Josh had left. If there were 75 cards in all, how many cards are left to be signed?
</em>
So, to answer this question:
Emily signed 2/5: so, we have to multiply the number of cards (75) by the amount that she signed:
Then, we subtract the result to the total amount of cards:
- 75-30 =45 cards left to be signed
Repeating the process with Josh (now the total number of cards is 45)
And finally we repeat the process with Tatiana ( using the decimal form of 20% ⇒ 20/100= 0.2)
- 40x 0.2=8
- 40-8 = 32 cards left to be signed