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hammer [34]
3 years ago
10

Krissa wants to buy some acrylic paint. She needs 47 mL of black, 59 mL of yellow, and 48 mL of brown. Each bottle holds 55 mL o

f paint.
Which statements are true?
Choose all answers that are correct.

A.
Krissa can add all the amounts together and buy exactly 154 mL of paint, or 2.8 bottles of paint.

B.
Krissa can calculate each amount separately and buy 1 bottle of black paint, 2 bottles of yellow paint, and 1 bottle of brown paint.

C.
Krissa sees that that amount needed of black and brown are less than 55 mL, so she buys one jar of each color. She needs more than 55 ML of yellow, so she buys 2 jars.
Mathematics
1 answer:
Snowcat [4.5K]3 years ago
6 0
B and C are the right answers since you don't want to mix colors
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Evaluate the determinant for the following matrix [3 -5 / 1 1]
Natalka [10]

Answer:

<h2>A. -2</h2>

Step-by-step explanation:

\det\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] =ad-bc\\\\\det\left[\begin{array}{ccc}3&-5\\1&1\end{array}\right] =(3)(1)+(-5)(1)=3-5=-2

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What is the approximate area of the circle shown below?
Cerrena [4.2K]
C because the formula to find the are of a circle is A=(pi) * radius^2. To find the radius from diameter, just divide by two. So 60/2= 30 so now you can just plug in and 30 * 30 is 900 and 900 * pi, or 3.1415926535, is about 2827
8 0
2 years ago
Read 2 more answers
Please help! And thank you for your time.
Ulleksa [173]
B. You can get this by factoring the bottom of the first expression and then cancelling the terms. Then multiply by the inverse of the second.
6 0
3 years ago
Can someone please help me
Bad White [126]

Answer:

<h2>L.A. = 384 cm²</h2><h2>S.A. = 640 cm²</h2>

Step-by-step explanation:

Lateral Area:

We have four congruent triangles with base b = 16cm and height h = 12cm.

The formula of an area of a traingle:

A_\triangle=\dfrac{bh}{2}

Substitute:

A_\triangle=\dfrac{(16)(12)}{2}=(8)(12)=96\ cm^2

L.A.=4A_\triangle=4(96)=384\ cm^2

Surface Area:

S.A.=B+L.A.

In the base we have the square with side s = 16cm. The formula of an area of a square:

A_\square=s^2

Substitute:

B=16^2=256\ cm^2

S.A.=256\ cm^2+384\ cm^2=640\ cm^2

4 0
3 years ago
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aliya0001 [1]
Y=20 X=10 make this brainliest ❤️
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3 years ago
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