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11Alexandr11 [23.1K]
3 years ago
6

Please help! ASAP! i need help

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
4 0
3y+5=5(2)
3y=10-5
3y=5
Y=5/3
KonstantinChe [14]3 years ago
3 0

Answer: y= 1 2/3

Step-by-step explanation:

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If 0 < z ≤ 90 and sin(9z − 1) = cos(6z + 1), What is the value of z?
Tom [10]

Answer:

<h3>6</h3>

Step-by-step explanation:

Given the expression sin(9z − 1) = cos(6z + 1), for 0 < z ≤ 90, we are to find z

Note that sin theta = cos(90-thetsa)

sin(9z − 1) = cos(6z + 1)

cos (90 - (9z-1)) = cos(6z + 1)

cos (90 - 9z+1)) = cos(6z + 1)

cos (91-9z) = cos(6z + 1)

Cos will cancel out to have;

91-9z = 6z+1

-9z - 6z = 1-91

-15z = -90

z = 90/15

z = 6

Hence the value of z is 6

8 0
3 years ago
!!PLEASE HELP ME!!<br> im stuck ):
yuradex [85]

Answer:

x = 5

Step-by-step explanation:

Since these are similar triangles all you need to do is figure out how much "x" has gotten smaller.

First take the line DE length (16) and divide it by line BC (8)

16 / 8 = 2

Now divide line BD by 2

10 / 2 = 5

x = 5

8 0
3 years ago
Read 2 more answers
NEED HELP ASAP
vodka [1.7K]

Amy earns $0.16 per unit for the work she does. For all units she produces in a week over 1,000, she receives $0.26. What were her weekly earnings if she produced 1,725 units in one week?

Answer: The number of units produced by Amy in one week =1725

For the first 1000 units, she earns $0.16 per unit. Therefore, her total earning's for the first 1000 units is $0.16 x 1000 = $160

For the remaining 1725 - 1000 = 725 units, she earns $0.26. Therefore, her total earning for the 725 units is $0.26 x 725 = $188.5

Therefore, Amy's total for one week = $160 + $188.5 = $348.5

Hence, the option b. $348.50 is correct


3 0
4 years ago
Can somebody pls help !!
ehidna [41]
$26.84

Hope this helps!!
4 0
3 years ago
Read 2 more answers
Mary borrowed $11,000 at 5% interest for 4 years. What was the total interest? A. $22 B. $220 C. $2,200 D. $22,000
pantera1 [17]
<span>$11,000 x 4 x 0.05 = 2200

answer is </span><span>C. $2,200</span>
6 0
4 years ago
Read 2 more answers
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