Please help..Thank you❤️

Mathematics

2 answers:

Sergeeva-Olga [200]2 years ago

7 0

Answer:

answer b <3

Step-by-step explanation:

svlad2 [7]2 years ago

6 0

Answer: 48

Step-by-step explanation:

280*(17/100) = 47.6

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Solve the system of equations using substitution. −2x + y = 3.5 <br>−2y = 3x

gogolik [260]

Answer:

$\huge\boxed{x=-1;\ y=-1.5}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}-2x+y=3.5\\-2y=3x&\text{divide both sides by (-2)}\end{array}\right\\\left\{\begin{array}{ccc}-2x+y=3.5&(1)\\y=-1.5x&(2)\end{array}\right\\\\\\\text{Substitute (2) to 1):}\\-2x+(-1.5x)=3.5\\-2x-1.5x=3.5\qquad\text{combine like terms}\\-3.5x=3.5\qquad\text{divide both sides by (-3.5)}\\\dfrac{-3.5x}{-3.5}=\dfrac{3.5}{-3.5}\\\boxed{x=-1}\\\\\text{Substitute it to (2):}\\y=1.5(-1)\\\boxed{y=-1.5}$

3 0

3 years ago

Help quick pls!!!! And ty!!

Tanya [424]

Answer:

1. parallelogram 2. polygon 3. trapezoid 4. square 5. trapezoid 6. parallelogram

Step-by-step explanation:

8 0

3 years ago

Please help me solve the problem. Thank you

Afina-wow [57]

9514 1404 393

Answer:

see attached

Step-by-step explanation:

The first attachment shows the rectangles with the area inside and the width on the right. The synthetic division of area by width gives the polynomial coefficients for length. The lengths are marked above the rectangles. The synthetic division is shown the 2nd and 3rd attachments.

3 0

2 years ago

"Write 1/100 using a negative exponent other than -1. Answer: 10^-2." Why is 10^-2 the answer?

Pani-rosa [81]

Step-by-step explanation:

$\frac{1}{100} = \frac{1}{ {10}^{2} } = {10}^{ - 2} \\ \\ reason \\ \: \because \: \frac{1}{ {a}^{2} } = {a}^{ - 2} \\ \\ \implies \: \frac{1}{ {10}^{2} } = {10}^{ - 2}$