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3 years ago

Find m1 and m2 m2 (×10+10)° m1 (3×+4)°

Mathematics

1 answer:

leva [86]3 years ago

5 0

Answer:

Step-by-step explanation:

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What is the discriminant of the quadratic equation 0 = _x2 + 4x – 2?

Snowcat [4.5K]

The discriminant is 24

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3 years ago

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Which equation best represents a trend line for the scatter plot? These are fractions BTW.

kenny6666 [7]

(1, 8) and (7,1)
slope = (8-1)/(1-7) = -7/6
y = mx + b
b = y - mx
b = 8 - (-7/6)(1)
b = 8 + 7/6
b = 55/6

equation
y = -7/6(x) + 55/6

answer
y=−7/6 x+55/6

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3 years ago

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G(x) = 15 – 4x h(x) = x +8 Write g(h(x)) as an expression in terms of 2.

Sergeu [11.5K]

For this case we have the following functions:

$g (x) = 15-4x\\h (x) = x + 8$

We must find $g (h (x))$ when $x = 2$ .

So:

$g (h (x)) = 15-4 (x + 8) =$

We apply distributive property to the terms within parentheses taking into account that:

$- * + = -\\15-4x-32 =$

We add similar terms taking into account that different signs are subtracted and the sign of the major is placed:

$-17-4x$

Thus, we have to:

$g (h (x)) = - 17-4x$

Then, with x = 2:

$g (h (2)) = - 17-4 (2) = - 17-8 = -25$

Equal signs are added and the same sign is placed.

Answer:

$g (h (2)) = - 25$

3 0

3 years ago

Please help super fast I will give brainliest

abruzzese [7]

Answer: hii

1 is the only correct expression.

Step-by-step explanation:

Anything raised to 0 is 1.

Hopefully this helps you

- Matthew <3

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2 years ago

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A scientist wishes to estimate the mean breaking strength of a certain type of steel rod within 3.0 psi with 95% confidence. Bas

yaroslaw [1]

Answer:97 rods

Step-by-step explanation:

The number of steel rods for 95% confidence level

$n=\left ( \frac{Z_\frac{\alpha }{2}\times \hat{\sigma }}{E} \right )^2$

$Z_\frac{\alpha }{2}=1.96$

E=3

$\hat{\sigma }=15$

Substituting values

$n=\left ( \frac{1.96\times 15}{3}\right )^2$

$n=96.04\approx 97$

Thus 97 rods is tested

6 0

4 years ago

Find m1 and m2 m2 (×10+10)° m1 (3×+4)°​

Find m1 and m2 m2 (×10+10)° m1 (3×+4)°