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Llana [10]
3 years ago
14

NEED HELPPP BEIN TIMED. THERES A PICTURE OF IT

Mathematics
2 answers:
Vika [28.1K]3 years ago
5 0
It’s the fourth, it’s 4
dalvyx [7]3 years ago
3 0
The correct answer is 4.
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Work out the value of x, 2x + 9, x + 13, x - 8
coldgirl [10]

Answer:

=24x-8

Step-by-step explanation:

(2x+9x,x+13x)-8

collect like terms

(2+9+13)x-8

=24x-8

8 0
3 years ago
Hurry please!!!!!!!!!!!!!!!!
lakkis [162]

Answer:

Reflection over the y axis

Step-by-step explanation:

The x's are changing not the y's

8 0
3 years ago
Suppose you want to build a small walkway around your garden so that there is someplace to walk around and work on your vegetabl
wolverine [178]

Answer:

Approximately 3.5 feet - Option B

Step-by-step explanation:

Imagine that you have this walkway around the garden, with dimensions 30 by 20 feet. This walkway has a difference of x feet between it's length, and say the dimension 30 feet. In fact it has a difference of x along both dimensions - on either ends. Therefore, the increases length and width should be 30 + 2x, and 20 + 2x, which is with respect to an increases area of 1,000 square feet.

( 30 + 2x ) * ( 20 + 2x ) = 1000 - Expand "( 30 + 2x ) * ( 20 + 2x )"

600 + 100x + 4x^2 = 1000 - Subtract 1000 on either side, making on side = 0

4x^2 + 100x - 400 = 0 - Take the "quadratic equation formula"  

( Quadratic Equation is as follows ) - x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a},

x=\frac{-100+\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad \frac{5\left(\sqrt{41}-5\right)}{2},

x=\frac{-100-\sqrt{100^2-4\cdot \:4\left(-400\right)}}{2\cdot \:4}:\quad -\frac{5\left(5+\sqrt{41}\right)}{2}

There can't be a negative width of the walkway, hence our solution should be ( in exact terms ) \frac{5\left(\sqrt{41}-5\right)}{2}. The approximated value however is 3.5081...or approximately 3.5 feet.

4 0
3 years ago
Use the point-slope formula to write an equation of the line that passes through (4,10) and has a slope of m= 3. Write the
baherus [9]
Answer:
3x --y -2= 0
Step-by-step explanation:
We have formula Y - y 1 = m ( X --x1) => Y - 10 = 3(X-4)
3X - Y - 2 = 0 Ans .


4 0
2 years ago
An African elephant weighs 6 tons. What is the weight of the elephant in pounds?
Pavlova-9 [17]
12,000 pounds, 1 ton = 2000 pounds
5 0
3 years ago
Read 2 more answers
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