3 years ago

Helpppp please!!!!!!!!!!!

Mathematics

1 answer:

madreJ [45]3 years ago

5 0

I think it’s 32 I don’t know

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To make concrete it take 8 parts crushed gravel, 7 parts water and 5 parts cement mix. A worker needs to make 220 kg of concrete

Romashka-Z-Leto [24]

A complete load of concrete = 8 parts gravel + 7 parts water + 5 parts cement.

Total number of parts in every load = 8 + 7 + 5 = 20 parts

If total load = 220 kg, then 20 parts = 220 kg

Divide each side by 20 : 1 part = 11 kg

gravel = 8 parts = 8 x 11 kg = 88 kg
water = 7 parts = 7 x 11 kg = 77 kg
cement = 5 parts = 5 x 11 kg = 55 kg

Check: 88 + 77 + 55 = 220 yay !

4 0

3 years ago

$5 in a $10 general admission Night o f the Free with Sultos 10 show that Moderneature.com 1 3114111 ALLSTON NATIONAL THEATRE 9.

azamat

Answer:

0.1065

Step-by-step explanation:

Given : $2(3x+1)^5=8$

Solution :

$2(3x+1)^5=8$

$(3x+1)^5=4$

Taking natural log both sides

$ln[(3x+1)^5]=ln 4$

Property : $ln (a^b)=bln(a)$

$5 ln(3x+1)=ln 4$

$ln(3x+1)=\frac{1}{5} ln 4$

$ln(3x+1)=\frac{1}{5} (1.3863)$

$ln(3x+1)=0.27726$

$e^{ln(3x+1)}=e^{0.27726}$

Property : $e^{ln x}=x$

$3x+1=1.3195$

$3x=0.3195$

$x=\frac{0.3195}{3}$

$x=0.1065$

Hence the value of x is 0.1065

8 0

3 years ago

Jovan has $14,000 in a savings account. The savings collect interest at a 7% annual rate that compounds every year. How much mon

wel

Answer:

sorry 98928

Step-by-step explanation:

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3 years ago

2. A researcher collected data about the favorite car color of a particular population. He asked 250 people about their favorite

lubasha [3.4K]

A) 55 people said their favorite vehicle color is red

B) 80 people said their favorite vehicle color was blue while 60 people said their favorite vehicle color was white

C) 45 said their favorite vehicle color was black while 10 people said their favorite vehicle color was silver

8 0

4 years ago

9 ones 2 thousands -3ones

Andrew [12]

2,000(two thousands)+ 9(nine ones)=2,009. But, - 3(three ones)= 2,006

7 0

4 years ago