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telo118 [61]
2 years ago
8

19. In the expression: 5.3t + (12-3) - 7 + 6.2,

Mathematics
1 answer:
Marat540 [252]2 years ago
8 0

Answer:

D. 4

Step-by-step explanation:

Terms are separated by addition and subtraction signs

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Consider this sequence
pochemuha
Hello,

u_{1} =1*(8-7)=1*(2*4-(6+1))\\
 u_{2} =2*(10-7)=2*(2*5-(6+2))=2*(2*(4+1)-(6+2))\\
 u_{3} =3*(12-9)=3*(2*6-(6+3))=3*(2*(4+2)-(6+3))\\
 u_{4} =4*(14-10)=4*(2*7-(6+4))=4*(2*(4+3)-(6+4))\\




u_{10}=10*(2*(4+10)-(6+10))\\
=10*(28-16)


...\\\\
u_{n} =n*(2*(n+n-1)-(6+n))\\
=n*(4n-2-6-n)=n(3n-8)\\


5 0
3 years ago
Is this symbol < less then, or greater then ?
Ierofanga [76]
Ah the qustion is messed up if its 12<13 its right if its 65.50?65.49 it is > the tiny part is smaller and open part is beiiger its like a dinousar chooses what to it, u gotta help him choose a bigger food.
4 0
2 years ago
Read 2 more answers
Four times a number decreased by seven
Elden [556K]
In order to answer this question, we must break this mathematical expression up into a series of mathematical operations (exponent, multiplication,division, addition, and/or subtraction):

"4 times a number" - The word "times" implies that we have to multiply 4 by an unknown number. We can simply label this unknown number as x.
"cubed" - In order to "cube" a number, we must raise it to the third power, or have an exponent of 3. Our unknown number of x now becomes x3 because we raised it to the third power.
"decreased by 7" - The word "decreased" implies that we must subtract 7 from the product of 4 multiplied by x3

With all of the information we now have, we can form an algebraic expression for this problem.
"4 times a number cubed decreased by 3" now becomes:
4x3 - 7
7 0
3 years ago
What is f(g(x)) if f(x)= 4x²+3x-4 and g(x)=2x​
S_A_V [24]

Answer:

f(g(x))=16x^2+6x-4

Step-by-step explanation:

f(g(x))=4(2x)^2 +3(2x)-4

f(g(x))=16x^2+6x-4

8 0
3 years ago
Cara is building a new dog house the roof is 10 4/5 feet long express this length as a decimal show work
scZoUnD [109]

Answer:

10.8 feet

Step-by-step explanation:

Multiply 4/5 by 2 on the top and bottom. Then you'll get 8/10 which is 0.8 as a decimal

7 0
2 years ago
Read 2 more answers
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