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3 years ago

The price of a technology stock was

Mathematics

1 answer:

inna [77]3 years ago

6 0

9.82-9.71=.11

.11x100 divided by 9.82 = 1.12%

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X²+8x-84=0 <br><br>Formúla General

Brums [2.3K]

Answer:

$x_{1} =-14\\\\x_{2} =6$

Step-by-step explanation:

$x^{2} +8x-84=0\\\\x=\dfrac{-b \pm \sqrt{b^{2}-4ac } }{2a} \\\\a=1; \: \: b=8; \: \: c=-84\\\\x=\dfrac{-8 \pm \sqrt{8^{2}-4 \cdot 1 \cdot (-84) } }{2 \cdot 1}=\dfrac{-8 \pm \sqrt{400 } }{2}=\dfrac{-8 \pm20}{2} =-4 \pm 10\\\\x_{1} =-14\\\\x_{2} =6$

8 0

3 years ago

(20 POINTS AND BRAINLIEST ANSWER!!!)

alisha [4.7K]

PICTURE1: They are both 45

PICTURE2: 810

8 0

3 years ago

12a^2*b^4-36a^2*b+44abc

spayn [35]

Let's simplify step-by-step.

$12a^2*b^4-36a^2*b+44abc=$

There are no like terms.

Answer:

$12a^2*b^4-36a^2*b+44abc=$

5 0

3 years ago

Use the following diagram to find the angle measures of the triangle, rounded to the nearest degree.

nadezda [96]

Answer:

m∠A = 30°

m∠B = 80°

m∠C = 70°

Step-by-step explanation:

By applying cosine rule in the given triangle,

b² = a² + c² - 2ac[cos(∠B)]

From the given triangle,

a = 14 m

b = 28 m

c = 24 m

(28)² = (14)² + (24)² - 2(14)(24)cos(B)

784 = 196 + 576 - 672cos(∠B)

cos(∠B) = 0.1786

∠B = $\text{cos}^{-1}(0.1786)$

∠B = 79.71°

∠B = 80°

By applying sine rule in the given triangle,

$\frac{\text{sinA}}{a}= \frac{\text{sinB}}{b}= \frac{\text{sinC}}{c}$

$\frac{\text{sinA}}{14}= \frac{\text{sin(79.71)}}{28}= \frac{\text{sinC}}{24}$

$\frac{\text{sinA}}{14}= \frac{\text{sin(79.71)}}{28}$

$\text{sinA}= \frac{\text{sin(79.71)}\times 14}{28}$

sinA = 0.491958

A = 29.47°

A ≈ 30°

By applying triangle sum theorem,

m∠A + m∠B + m∠C = 180°

30° + 80° + m∠C = 180°

m∠C = 70°

4 0

3 years ago

Hurry plz! Will vote Brainly or whatever and will reward all point I can.

Naily [24]

Answer: 0.27

You can mark me brainliest on the other question you know

Step-by-step explanation:

3 0

4 years ago