Find the product of 2.34 and 6.7.

Mathematics

1 answer:

Kisachek [45]2 years ago

6 0

Answer: 15.678

Step-by-step explanation:

when a question says product it means you multiply the numbers by eachother. So you just plug it into the calculator!

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Could yall help me pls?

kaheart [24]

Answer:

240 cm^2

Step-by-step explanation:

area of each triangle

=(10 x 7)/2 cm^2

=35 cm^2

area of four triangles

=35 x 4 cm^2

=140 cm^2

area of the square

=10 x 10 cm^2

=100 cm^2

area of the polygon

=(100 + 140) cm^2

=240 cm^2

8 0

3 years ago

Line l passes through the point of intersection,A, of the lines 4x-3y+4=0 and x+2y=5. Without finding A,find the equation of lin

klemol [59]

Answer:

$\large\boxed{y=\dfrac{15}{14}x+1.5}$

Step-by-step explanation:

The slope-intercept form of an equation of a line:

$y=mx+b$

m - slope

b - y-intercept

------------------------------------------------------------------------

You must solve the system of equations:

$\left\{\begin{array}{ccc}4x-3y+4=0&(1)\\x+2y=5&(2)\\y=mx+1.5&(3)\end{array}\right\qquad\text{substitute (3) to (1) and (2)}\\\\\left\{\begin{array}{ccc}4x-3(mx+1.5)+4=0\\x+2(mx+1.5)=5\end{array}\right\qquad\text{use the distributive property}\\\left\{\begin{array}{ccc}4x-3mx-4.5+4=0\\x+2mx+3=5&\text{subtract 3 from both sides}\end{array}\right\\\left\{\begin{array}{ccc}4x-3mx-0.5=0&\text{add 0.5 to both sides}\\x+2mx=2\end{array}\right\\\left\{\begin{array}{ccc}4x-3mx=0.5&\text{multiply both sides by 2}\\x+2mx=2&\text{multiply both sides by 3}\end{array}\righ$

$\underline{+\left\{\begin{array}{ccc}8x-6mx=1\\3x+6mx=6\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad11x=7\qquad\text{divide both sides by 11}\\.\qquad x=\dfrac{7}{11}\\\\\text{Put the value of}\ x\ \text{to the second equation:}\\\\\dfrac{7}{11}+2m\left(\dfrac{7}{11}\right)=2\qquad\text{multiply both sides by 11}\\\\7+2m(7)=22\qquad\text{subtract 7 from both sides}\\\\14m=15\qquad\text{divide both sides by 14}\\\\m=\dfrac{15}{14}$