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Bas_tet [7]
3 years ago
14

Which of these is trinomial

Mathematics
1 answer:
m_a_m_a [10]3 years ago
4 0
I had the same question it’s c I don’t need the picture
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An airplane is flying with a constant altitude at a speed of 450 mph in a direction 10° north of west directly towards its final
Travka [436]

Answer:

your answer is gonna be 579 miles that would be your answer

7 0
3 years ago
If a varies directly as b, and a = 28 when b = 7, find b when a = 5.
Reika [66]

Answer: Option B.

b=\frac{5}{4}

Step-by-step explanation:

If a varies directly with b then when a increases b it also increases by a factor k.

Then we can write that

a = kb

We know that when a = 28 then b = 7. So

28 = k * 7

k=\frac{28}{7}

k=4

Therefore the equation of proportionality is:

a=4b

So when a=5  then:

5=4b\\\\b=\frac{5}{4}

6 0
3 years ago
Read 2 more answers
Divide and find quotient<br>(a⁴-b⁴) ÷ (a+b)<br>(step by step explanation)​
lakkis [162]

Answer:

Step-by-step explanation:

(a⁴-b⁴)/(a-b)

using..(a+b²)=(a+b)(a-b)

=(a²+b²)(a²-b²)/(a-b)

=(a²+b²)(a+b)(a-b)/(a-b)

=(a²+b²)(a+b)

6 0
1 year ago
Sterling silver is an alloy of silver that is 92.5% pure silver. If x grams
nlexa [21]

Answer:

D. 0.925x + 0.88y = 0.91(x + y)  

Step-by-step explanation:

The important point to remember is that the total mass of pure silver is the same on each side of the equation.

0.925x = mass of pure silver in first alloy

0.88  y = mass of pure silver in second alloy

The final alloy has a mass of (x + y) g and is 91 % pure silver, so

0.925x + 0.88y = 0.91(x + y)

5 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through the given points<br> (0,2)) and (-9, -3)
Irina18 [472]

Step-by-step explanation:

Y= m x+ C

m (slope ) = 2 - (_3) / 0 _( - 9 )

= 5 / 9

( O, 2 ) Satisfying equation

2= 5/9 ( 0) + C

C= 2

So eq. is

y= 5/ 9 X + 2

7 0
3 years ago
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