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Sergeu [11.5K]
2 years ago
7

Can someone help me

Mathematics
1 answer:
Roman55 [17]2 years ago
3 0

Answer: D) Reflection across the y-axis; 270^{\circ} counterclockwise rotation about the origin

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To multiply terms with exponents, what must you do to the exponents? A)   add them B)   subtract them C)   multiply them D)   di
AysviL [449]
Answer = a) add them

When you multiply terms you add the exponents
8 0
3 years ago
The ratio of the number of dolls Jacky had to the number of dolls Peter had was 5 : 2 but, after Jacky gave 15 dolls to Peter, t
tester [92]

Answer:

35 [$]

Step-by-step explanation:

1) if Peter's sum is p and Jacky's is j, then the ratio 5:2 in the condition can be written j/p=5/2;

2) the phrase 'after Jacky gave 15 dolls to Peter, they have an equal number of dolls' can be written as j-15=p;

3) using the two above it is possible to make up the system of two equations:

\left \{ {{\frac{j}{p} =5/2} \atop {j-15=p}} \right. \ = > \ \left \{ {{j=2.5p} \atop {j-15=p}} \right. \ = > \ \left \{ {{j=25} \atop {p=10}} \right.

4) finally, the have together 10+25=35 doll-s.

8 0
2 years ago
Multiple Choice. Which of the following fractions is equivalent to 6/15
Lemur [1.5K]

Answer:

2/5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Anyone know what 13+(x+8) is
babymother [125]
Answer:
13 + x + 8
= x + 21
6 0
3 years ago
If the simple interest on ​$3,000 for 8 years is ​$1,680​, then what is the interest​ rate?
madam [21]

We need to use the formula for simple interest which is
I= prt
Where I is the amount of money you earned or pay in interest
p is the principal, the amount you deposited or borrowed
r is the interest rate expressed as a decimal
t is time in terms of years

In this problem, I= 1,680
p= 3000
t= 8
'. r is what we are looking for.

Substituting the numbers into the simple interest formula, we get
I=. p r t
1,680=(3000)(r)(8). Multiplying
1,680= 24,000r Divide both sides by 24,000
0.07= r
So, the percentage is (0.07)(100)= 7%...
8 0
3 years ago
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