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3 years ago

Can someone please. help Ill give branliesttttt

Mathematics

2 answers:

Lostsunrise [7]3 years ago

7 0

I think it’s B but I am not sure sorry dude

Rudiy273 years ago

4 0

Answer:

3rd one!

Step-by-step explanation:

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5. Solve log2x+ log12= 3. Round to the nearest hundredth if necessary. (1 point)

Serggg [28]

Log 2x + log 12 = 3log 2x = 3 - log 12log 2x = 3 - 1.08log 2x = 1.922x = 10^1.922x = 83.33x = 83.33/2x = 41.67

5 0

3 years ago

Read 2 more answers

0.7x-y=4.22 5-0.8x= 0.2y

Shtirlitz [24]

The solution of the set of equation is

x=6.217

y=0.132

Step-by-step explanation:

given the set of equations

0.7x-y=4.22(1)

5-0.8x=0.2y

-0.8x-0.2y=-5 (2)

multiply (1) and(2) by 10

7x-10y=42.2(3)

-8x-2y=-50(4)

solve (3) and (4) using elimination method

$(4)\times 5$

⇒-40x-10y=-250(5)

(5)-(3)

-47x=-292.2

x=6.217

substituting value of x in 3

we get y=0.132

6 0

4 years ago

Complete the proofs using the most appropriate method. may require CPCTC.

Furkat [3]

You started off very well. You identified the given and the pair of congruent sides.

Statement Reason

3. m<POM = m<NMO Alternate Interior Angles

4. m<NOM = m<PMO Alternate Interior Angles

5. ΔPMO ≅ ΔNOM ASA

6. MP ≅ NO CPCTC

Reasoning for statement 3: This is because MN ║PO and MO acts as a transversal.

Reasoning for statement 4: This is because MP ║NO and MO acts as a transversal.

6 0

3 years ago

Use the net to compute the surface area of the three-dimensional figure.

Vlada [557]

The answer is 246 units²

Surface area= 2(lw + lh + wh)

3 0

3 years ago

Read 2 more answers

Find the area of the triangles round to the tenth. Show steps please!

amm1812

Answer:

$\large\boxed{A=89.6}$

Step-by-step explanation:

It's the right triangle. The formula of an area of a right triangle:

$A=\dfrac{leg\cdit leg}{2}$

We have:

$leg=x\\leg=16\\\text{and the angle}\ \alpha=55^o$

Use tangent:

$tangent=\dfrac{opposite}{adjacent}$

$opposite=16,\ adjacent=x$

$\tan55^o\approx1.4281$

Substitute:

$\dfrac{16}{x}=1.4281$ convert the decimal to the fraction

$\dfrac{16}{x}=\dfrac{14281}{10000}$ cross multiply

$14281x=160000$ divide both sides by 14281

$x=\dfrac{160000}{14281}$

$x\approx11.2$

Calculate the area:

$A=\dfrac{(16)(11.2)}{2}=89.6$

7 0

3 years ago