2 years ago

Student A spent $9 on a bottle of school glue, a package of colored pencils, and a pencil pouch. Student B

Mathematics

1 answer:

tino4ka555 [31]2 years ago

8 0

Answer:

Step-by-step explanation:

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Solve for x:<br><br> x2 + 8x = -1

olga nikolaevna [1]

$x^2+8x=-1\\
x^2+8x+16-16=-1\\
(x+4)^2=15\\
x+4=\sqrt{15} \vee x+4=-\sqrt{15}\\
x=-4+\sqrt{15} \vee x=-4-\sqrt{15}$

7 0

2 years ago

Find the area of the figure shown below. Use 3.14 for π and round your answer to the nearest hundredth.

topjm [15]

Answer:

ans: 111.54

Step-by-step explanation:

u can simple do by multiple

5 0

3 years ago

Read 2 more answers

What is the value of a for the following circle in general form?<br> x2 + y² + ax + by+c=0

motikmotik

Answer:

Step-by-step explanation:

x2+y2+ax+by+c=0

Step 1: Add -by to both sides.

ax+by+x2+y2+c+−by=0+−by

ax+x2+y2+c=−by

Step 2: Add -x^2 to both sides.

ax+x2+y2+c+−x2=−by+−x2

ax+y2+c=−bax+y2+c+−y2=−by−x2+−y2

ax+c=−by−x2−y2

Step 4: Add -c to both sides.

ax+c+−c=−by−x2−y2+−c

ax=−by−x2−y2−c

Step 5: Divide both sides by x.

−by−x2−y2−c

y−x2

6 0

2 years ago

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the surface area of the rectangular prism is given by formula S=2 (ab+bh+ah) find the value of h when a = 10, b=6 and s=440

lorasvet [3.4K]

Answer:

Step-by-step explanation:

440=2(60+6x+10x)

220=60+16x

160=16x

x=10

h=10

8 0

2 years ago

Determine which consecutive integers the real zeros of f(x) = x^3 - 2 are located

RideAnS [48]

Answer:

The real zero is between 1 and 2.

Step-by-step explanation:

The given function is:

$f(x)=x^3-2$

To find the zeros of this function, we set f(x)=0.

$\implies x^3-2=0$

Add 2 to both sides to obtain:

$\implies x^3=2$

Take the cube root of both sides

$\implies x=\sqrt[3]{2}$

$\implies x=1.26$

Therefore the real zero is between 1 and 2.

8 0

2 years ago