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san4es73 [151]
3 years ago
13

-x + 4y = 16 How do you solve for x

Mathematics
2 answers:
Vika [28.1K]3 years ago
8 0

Answer:

Step-by-step explanation:

-x+4y=16

-x=16-4y

x=(16/-1)-(4y/-1)

x=-16+4y

xenn [34]3 years ago
3 0

Answer:

x= -16+4y

Step-by-step explanation:

You first have to isolate x. To do so you subtract 4y on both sides. (-x= 16-4y) Now to make x positive you divide by -1 on both sides. (x= -16+4y) This leads us to our answer which is (x= -16+4y).

If you liked my answer please mark it as the brainliest it would be much appreciated. Thanks! :D

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Twice Brittany’s age is less than the age of Abraham Lincoln when he died. President Lincoln was 56 years old at the time of his
andrew11 [14]

Answer:

2b < 56

n = b - 2

b = n + 2

n < 27

b < 28

No, because the difference between Brittany and Nate's age is 2years

Step-by-step explanation:

A.)

Twice Brittany’s age is less than the age of Abraham Lincoln when he died. President Lincoln was 56 years old at the time of his death

Let Brittany's age = b

Twice Brittany's age = 2 × b = 2b

Lincoln's age = 56

2b < 56

B.)

Nate's age = n

Nate is 2 years younger than brittany who is aged 'b'

n = b - 2

C.) b = n + 2

D.)

If 2b < 56 and b = n + 2

2(n + 2) < 56

2n + 2 < 56

2n < 56 - 2

2n < 54 ; n < 27

2b < 56

b < 56/2

b < 28

No, because the difference between Brittany and Nate's age is 2years

4 0
3 years ago
Please help me out please ..
serg [7]

Answer:

x = 466.7 ft

Step-by-step explanation:

The lower angle in the right triangle = 31° ( alternate angle )

Using the cosine ratio in the right triangle, with hypotenuse x

cos31° = \frac{adjacent}{hypotenuse} = \frac{400}{x}

Multiply both sides by x

x × cos31° = 400 ( divide both sides by cos31° )

x = \frac{400}{cos31} ≈ 466.7

7 0
3 years ago
Read 2 more answers
What's the value of x?​
krok68 [10]

Answer:

x=23°

Step-by-step explanation:

The whole angle is 117°, and its split in two. One half is 94°, so 117-94= 23

7 0
3 years ago
1000 digits of pi...
son4ous [18]

3.1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 6446229489 5493038196 4428810975 6659334461 2847564823 3786783165 2712019091 4564856692 3460348610 4543266482 1339360726 0249141273 7245870066 0631558817 4881520920 9628292540 9171536436 7892590360 0113305305 4882046652 1384146951 9415116094 3305727036 5759591953 0921861173 8193261179 3105118548 0744623799 6274956735 1885752724 8912279381 8301194912 9833673362 4406566430 8602139494 6395224737 1907021798 6094370277 0539217176 2931767523 8467481846 7669405132 0005681271 4526356082 7785771342 7577896091 7363717872 1468440901 2249534301 4654958537 1050792279 6892589235 4201995611 2129021960 8640344181 5981362977 4771309960 5187072113 4999999837 2978049951 0597317328 1609631859 5024459455 3469083026 4252230825 3344685035 2619311881 7101000313 7838752886 5875332083 8142061717 7669147303 5982534904 2875546873 1159562863 8823537875 9375195778 1857780532 1712268066 1300192787 6611195909 2164201989

6 0
3 years ago
Read 2 more answers
Suppose a,b,c represent three positive whole numbers. if a+b=13 and b+c=22 and a+c=19 what is the value of c
aivan3 [116]

Answer: C = 14

Step-by-step explanation: You can assume the A is less than B, and if you just go down in numbers such as A=6 and B=7 (To solve A + B = 13), you will eventually get to A=5 and B=8. If you do B = 8 + C = 14 ( That you get after subtracting 8 by 22 ) You should get 22, and to proof check it, you do A + C which is going to be 5 + 14 and you get 19 thus proving that C = 14.

5 0
3 years ago
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