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Irina-Kira [14]
3 years ago
14

Help me please my test is tomorrow!​

Mathematics
1 answer:
Marysya12 [62]3 years ago
4 0

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

4z +  2 = 10z - 1

Add sides 1

4z  + 2  + 1 = 10z - 1 + 1

4z + 3 = 10z

Subtract sides 4z

- 4z + 4z + 3 =  - 4z + 10z

3 = 6z

6z = 3

Divide sides by 6

\frac{6z}{6}  =  \frac{3}{6}  \\

z =  \frac{1}{2}  \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

3y = y + 3

Subtract sides y

- y + 3y =  - y + y + 3

2y = 3

Divide sides by 2

\frac{2y}{2}  =  \frac{3}{2}  \\

y =  \frac{3}{2}  \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Thus the correct answer is :

a) \: y =  \frac{3}{2}  \: , \: z =  \frac{1}{2}  \\

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

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3.
svetlana [45]
Correct Answer: Option A

Principal Amount = P = $23,400
Interest rate = r = 3% = 0.03
Time = t = 10
Number of compounding periods in a year = n = 2
Compounded amount = A = ?

Formula for compound interest is:

A = P(1+ \frac{r}{n} )^{t*n}

Using the values, we get:

A=23400(1+ \frac{0.03}{2})^{2*10}=31516.41

Option A is the closest one, so its the correct answer
5 0
3 years ago
the area of the square is same as the area of Rhombus whose diagonals measure 10 centimetre and 20 cm find the perimeter of the
Vinil7 [7]

Answer:

perimeter of square = 35.78 cm

Step-by-step explanation:

cut the rhombus into 4 triangles along the diagonals

each triangle has a base of 5 and a height of 10 cm

area of one triangle = 1/2(4)(10) = 20 cm^2

4 triangles = area of rhombus = 80 cm^2

then the square has an area of 80 cm^2 also

side^2 = 80 cm^2

side of square  = 8.94 cm

perimeter = 8.98 x 4 = 35.78 cm

8 0
3 years ago
Read 2 more answers
Mount everest is 8847 m high. how many centimeters high is the mountain
nata0808 [166]
Before we answer the question we must first:
1. Assess what we have so far.
2. Know what we need to find.
3. Solve.
4. Conclude.

Step 1: What we have so far.
*Mt. Everest's height in meters (m) =  <span>8847m

Step 2: What we need to find.
*</span>Mt. Everest's height in centimeters (cm) = ?

Step 3: Solve.
*Centi means 100.
*1m = 100cm

Conversion process:
8847m x 100cm/1m <--- we need to multiply Mt. Everest's height to 100cm/1m first because our first agenda is to remove (m) from the value.
8847 x 100cm <--- this will be our working solution.
884,700cm <--- Answer

Step 4: Conclusion.
After successfully doing the steps above, we can now conclude that the height of Mt. Everest in centimeters is: 884,700cm
6 0
3 years ago
What is the answer to the math problem 5+9(2+4)?
IceJOKER [234]

Answer:

59

Step-by-step explanation:

Simplify the following:

5 + 9 (2 + 4)

2 + 4 = 6:

5 + 9×6

9×6 = 54:

5 + 54

5 + 54 = 59:

Answer:  59

6 0
3 years ago
Read 2 more answers
Help please, Thanks!
miss Akunina [59]
This may be wrong, but I think it is 4 days. Because after the first day, he’ll go 2 days before watering the first one, then 2 days later for both plants, because that would make 4 days and that’s how often he waters the second one.
5 0
4 years ago
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