What is 9 times 6 plus 7 minus 10?

Mathematics

1 answer:

ANEK [815]3 years ago

4 0

Answer:

Your answer would be 51.

Step-by-step explanation:

Remember the mathematical sequence: PEMDAS

P=parenthesis

E= exponents

M=multiply

D=divide

A=add

S=subtract.

In this case, there are no parenthesis and there are no exponents, so we multiply. Then there is no divide in this equation, so we go straight to add and subtract. Remember to do all this in the order of PEMDAS.

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Ine segment AB has endpoints A(–4, –10) and B(–11, –7). To find the x-coordinate of the point that divides the directed line seg

Ivenika [448]

Answer:

-7

Step-by-step explanation:

The coordinates of the point wich divide the segment AB, where $A(x_A,y_A),\ B(x_B,y_B)$ in ratio $m:n$ can be calculated using formula

$C\left(\dfrac{nx_A+mx_B}{m+n},\dfrac{ny_A+my_B}{m+n}\right)$

In your case,

$A(-4,-10)\\ \\B(-11,-7)\\ \\m:n=3:4\Rightarrow m=3,\ n=4$

Hence,

$C\left(\dfrac{4\cdot (-4)+3\cdot (-11)}{3+4},\dfrac{4\cdot (-10)+3\cdot (-7)}{3+4}\right)\\ \\C\left(-\dfrac{49}{7},-\dfrac{61}{7}\right)\\ \\C\left(-7,-\dfrac{61}{7}\right)$