Answer:
Step-by-step explanation:
1) 30 : 100 = x : 299
x = (30 x 299)/100
x = 89,70 $
2) 299 - 89,70 = 209,30 $
3) 5 : 100 = x : 209,30
x = 10,465 $
209,30 + 10,465 = 219,77 $
1.
√(16+20)=√36=6
C
2.
√(21-9)=√(12)=(√4)(√3)=2√3
B
3. 2*√3=2*1.73205=3.464
B
1.C
2.B
3.B
Answer:
x= -7/4
Step-by-step explanation:
8x= -14
Divide both sides by 8
8x/8 = -14/8
Simplify
x= -7/4
A unit rate is a ratio with a number in comparison to 1 (per 1). So, In this case...
C) Sara is driving 30 miles per 1 hour is an example of unit rate.
Answer:
a)
grams
b)
grams
c)
decigrams
d)
milligrams
Step-by-step explanation:
a)
To convert centigrams to grams you have to divide by 100.
centigrams =
grams
=
grams
b)
To convert milligrams to grams you have to divide by 1000.
milligrams =
grams
=
grams
c)
To convert grams to decigrams you have to multiply by 10.
grams =
decigrams
=
decigrams
d)
To convert grams to milligrams you have to multiply by 1000.
grams =
milligrams
=
milligrams