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nirvana33 [79]
3 years ago
6

HELP ME PLEASE!!!!! See picture below!!!

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0
Your answer is B.) because they are not similar 

BR : DB = (4-8)/ (6-5) = 2

KE : YK = (11-9) / (10 - 6) = 1/2
dybincka [34]3 years ago
7 0
It um might be B.
im extreamly sorry im not the best at math
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HELP PLEASE<br> What is M CEA?
vovangra [49]

Answer:

C.H. Weaver M.D. updated 10/2020 What is the Carcinogenicity antigen (CEA)? CEA is an antigen (small protein) that is found on the surface of many types of cancer cells and high levels of CEA can be detected in the blood of some patients with cancer and the developing fetus.

Step-by-step explanation:

8 0
3 years ago
A local bake shop sells cookies and cakes.On monday , sean bought 3 cookies and 5 cakes and spent $78.75 on tuesday , sean bough
Bond [772]

Answer:

The price of one cookie is $1.25 and the price of one cake is $15.

Step-by-step explanation:

Let $x be the price of one cookie and $y be the price of one cake.

1. On Monday, Sean bought 3 cookies and 5 cakes, then he spent $(3x+5y) and this is $78.75. Thus,

3x+5y=78.75.

2. On Tuesday, Sean bought 8 cookies and 2 cakes, then he spent $(8x+2y) and this is $40. Thus,

8x+2y=40.

3. Solve the system of two equations:

\left\{\begin{array}{l}3x+5y=78.75\\8x+2y=40\end{array}\right.

Multiply the first equation by 2 and the second equation by 5 and subtract them:

2(3x+5y)-5(8x+2y)=2\cdot 78.75-5\cdot 40,\\ \\6x+10y-40x-10y=157.5-200,\\ \\-34x=-42.5,\\ \\x=\$1.25.

Then

8\cdot 1.25+2y=40,\\ \\2y=40-10,\\ \\y=\$15.

8 0
3 years ago
1/2 <img src="https://tex.z-dn.net/?f=%5Csqrt%20%7B128%7D" id="TexFormula1" title="\sqrt {128}" alt="\sqrt {128}" align="absmidd
3241004551 [841]

Answer:

4\sqrt{2} or about 5.66

Step-by-step explanation:

\frac{1}{2} *\sqrt{128} =\\0.5*8\sqrt{2} =\\4\sqrt{2} \\or\\5.66

4 0
4 years ago
Read 2 more answers
Solve for x.<br><br> 18 ÷ x = -2<br><br> x = _____
Eddi Din [679]

Answer:

-9

Step-by-step explanation:

18÷x = -2

18 = -2×x

18 = -2x

-9 = x

x = -9

6 0
3 years ago
Read 2 more answers
Answer this question correctly, please give the correct answer.
Advocard [28]
X = -2

set equations equal and solve
2x+7 = -x+1
collect like terms
3x = -6
divide
x=-2
7 0
3 years ago
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