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Drupady [299]
3 years ago
10

Evaluate the numerical expression.9x [(26-4)-(4+7)]The value of the expression is​

Mathematics
2 answers:
mash [69]3 years ago
6 0

Answer:

99

Step-by-step explanation:

26-4=22. 4+7=11. 22-11=11. 9 times 11=99

S_A_V [24]3 years ago
5 0

Answer:

Answer:

99

26-4=22. 4+7=11. 22-11=11. 9 times 11=99

Step-by-step explanation:

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Find the value of 7x^2+2x when x=3
frozen [14]

Answer:

69

Step-by-step explanation:

so x2 will give you 9 times 7 which is 63. add it to 2 times 3 which is 63 + 6 will give you 69.

8 0
3 years ago
Berry Delicious is a popular shop that sells chocolate-covered strawberries. Last year, the shop used 9,200 kilograms of strawbe
coldgirl [10]

Answer:

15.9%

Step-by-step explanation:

Percent decrease formula =

(Initial value - New value/Initial value) × 100

Initial value = 9200kg

New value = 7739.4kg

Percent decrease = (9200 - 7739.4/9200) × 100

Percent decrease = (1460.6/9200) × 100

Percent decrease = 15.8760869565%

Approximately = 15.9%

The percent of decrease in the amount of strawberries used annually is 15.9%

6 0
3 years ago
A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded.
Mazyrski [523]

Answer:

1/7 (option d) of the sensors on the satellite have been upgraded

Step-by-step explanation:

Each unit contains the same number of non-upgraded sensors

number of non-upgraded sensors for each module (nus)

total number of upgraded sensors on the satellite (tus)

satellite is composed of 30 modular units

total number of non-upgraded sensors on the satellite (tnus):

tnus=30*nus

total number of sensors on the satellite (ts):

ts=tnus+tus = 30*nus + tus (I)

The number of non-upgraded sensors on one unit is 1/5 the total number of upgraded sensors on the entire satellite

nus=(1/5)*tus

tus = 5 * nus (II)

Fraction of the sensors on the satellite have been upgraded (FU):

FU = tus/ts

Using I and II

FU= (5* nus)/(30*nus + tus)

FU = (5* nus)/(30*nus + 5 * nus)

FU = (5* nus)/(35*nus)

FU = 1/7

1/7 (option d) of the sensors on the satellite have been upgraded

6 0
3 years ago
A planet's radius is approximately 1,534 mi. About two-thirds of the planet's surface is covered by water.
borishaifa [10]

Answer:

ok so the earth radius is 1534mi so if that is the radius than the area is 7.39×10^6so then you divide that into 3 pieces so each piece would be 2,463,333.3333 the nearest million would be 2,000,000

Step-by-step explanation:

6 0
3 years ago
Perfume is sold in two different sizes of bottle<br> the 80ml bottle is priced at £55
Elan Coil [88]

Answer:

gkdbdndjdbdndvdbshdhvdcdhdhdhgdvdvdvvdvd d. d d d dvsjdb dhdhdb

Step-by-step explanation:

NMhdvdeheohberCNNe

3 0
3 years ago
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