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2 years ago

HOW TO DO THIS HELP BEST ANSWER GETS BRAINLY WITH A REAL GOOD EXPLANATION AND ANSWER

Mathematics

2 answers:

Olenka [21]2 years ago

6 0

Answer:

Substitute the value of the variable into the expression and simplify.

---> (38)

OlgaM077 [116]2 years ago

4 0

Answer:

Step-by-step explanation:

x² + 2y ÷ 2w + 3z if (w = 2) (x = 5) (y = 8) (z = 3)

Now switch the letters with the numbers that it was given

x² is (5²)

2y is (2 * 8)

2w is (2 * 2)

3z is (3 * 3)

Put these in the equation

5² + (2 * 8) ÷ (2 * 2) + (3 * 3)

Solve what is inside the parenthesis

5² + (16) ÷ (4) + (9)

get rid of the parenthesis

5² + 16 ÷ 4 + 9

Now solve it from here

5² "(5 * 5)" = 25

25 + 16 ÷ 4 + 9

you want to divide 4 into 16 first because of PEMDAS

25 + 4 + 9

29 + 9 = 38

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Olivia is making scarves. Each scarf will have 3 rectangles, and of the rectangles will be purple. How many purple rectangles do

Montano1993 [528]

Answer:

She needs 3 purple rectangles.

Step-by-step explanation:

If Olivia is making 3 scarves and each scarf will be a combination of 3 rectangles, out of the three rectangles, there will be purple meaning a scarf will have at least a purple rectangle.

If a scarf has a purple rectangle then 3 scarves will have;

1 x 3 = 3

3 rectangles.

6 0

3 years ago

Kyle and Joan are estimating the total weight three boxes that each weigh 14.62

Ber [7]

Step-by-step explanation:

I don't exactly know what you are asking, but here is what I got and zi think you're asking

14.62*3= 43.86

43.86 rounds up to 44 and there is your estimation.

Together, the three boxes weigh about 44

p.s. Don't forget to include the weight name (ex. pounds, ounces, etc.)

8 0

3 years ago

1.)

VashaNatasha [74]

Answer:

1. z = -15

2. p = 7

3. h = -11

4. t = 14

5. q = 12

Step-by-step explanation:

$\frac{z}{-5}+1=4$

Add -1 both sides,

$\frac{z}{-5}+1-1=4-1\\\frac{z}{-5}=3$

Multiply both sides by -5,

$\frac{z}{-5}\times-5=3\times-5\\z=-15$

Distribute 3 in $p+2$ and then add -6p and -6 both sides.

$3(p+2)=6p-15\\3\times p+3\times2 = 6p-15\\3p+6=6p-15\\3p-6p=-15-6\\-3p=-21\\p=\frac{-21}{-3}=7$

$\frac{h-7}{2}=3(h+8)$

Multiply both sides by 2,

$\frac{h-7}{2}\times2=3(h+8)\times2\\h-7=6(h+8)\\h-7=6h+48$

Add -6h and 7 both sides,

$h-6h-7+7=6h-6h+48+7\\-5h=55\\h=\frac{55}{-5}\\h=-11$

$4t+2-5=3(t+7)-9\\4t-3=3t+21-9\\4t-3=3t+12$

Add -3t and 3 both sides.

$4t-3t-3+3=3t-3t+12+3\\t=15$

$2(q-4)=4(q-8)\\2q-8=4q-32$

Add -2q and 8 both sides.

$2q-8-4q+8=4q-4q-32+8\\-2q=-24\\q=\frac{-24}{-2}\\q=12$

Therefore,

1. z = -15

2. p = 7

3. h = -11

4. t = 14

5. q = 12

4 0

4 years ago

The length of a rectangle is 3 more inches than it’s width. The area of the rectangle is 54 square inches. What is the width of

Arada [10]

Answer:

Step-by-step explanation:

4 0

4 years ago

In the following figure CB is perpendicular to AB, and CD bisects angle ACB. Find angle DBF

zaharov [31]

Measure angle ACD = 3x - 2
measure angle BCD = 5x - 20
measure angle ACD = measure angle BCD
3x - 2 = 5x - 20
-2 = 2x - 20
18 = 2x
9 = x
x = 9
measure angle BCD = 5x - 20
measure angle BCD = 5(9) - 20
measure angle BCD = 45 - 20
measure angle BCD = 25
measure angle CDA = 90
measure angle BDC = measure angle CDA
measure angle BDC = 90
measure angle DBF = measure angle BCD + measure angle BDC
measure angle DBF = 25 + 90
measure angle DBF = 115

5 0

3 years ago

Read 2 more answers